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Ticket #35968: 42897.diff

File 42897.diff, 99.7 KB (added by peterwilsoncc, 7 years ago)

  • src/wp-includes/deprecated.php 

    diff --git a/src/wp-includes/deprecated.php b/src/wp-includes/deprecated.php
index 0b3ce28d33..9c87c6f471 100644
    a b  
    1313 */
    1414
    1515/**
    16  * Retrieves all post data for a given post.
    17  *
    18  * @since 0.71
    19  * @deprecated 1.5.1 Use get_post()
    20  * @see get_post()
    21  *
    22  * @param int $postid Post ID.
    23  * @return array Post data.
    24  */
    25 function get_postdata($postid) {
    26         _deprecated_function( __FUNCTION__, '1.5.1', 'get_post()' );
    27 
    28         $post = get_post($postid);
    29 
    30         $postdata = array (
    31                 'ID' => $post->ID,
    32                 'Author_ID' => $post->post_author,
    33                 'Date' => $post->post_date,
    34                 'Content' => $post->post_content,
    35                 'Excerpt' => $post->post_excerpt,
    36                 'Title' => $post->post_title,
    37                 'Category' => $post->post_category,
    38                 'post_status' => $post->post_status,
    39                 'comment_status' => $post->comment_status,
    40                 'ping_status' => $post->ping_status,
    41                 'post_password' => $post->post_password,
    42                 'to_ping' => $post->to_ping,
    43                 'pinged' => $post->pinged,
    44                 'post_type' => $post->post_type,
    45                 'post_name' => $post->post_name
    46         );
    47 
    48         return $postdata;
    49 }
    50 
    51 /**
    52  * Sets up the WordPress Loop.
    53  *
    54  * Use The Loop instead.
    55  *
    56  * @link https://codex.wordpress.org/The_Loop
    57  *
    58  * @since 1.0.1
    59  * @deprecated 1.5.0
    60  */
    61 function start_wp() {
    62         global $wp_query;
    63 
    64         _deprecated_function( __FUNCTION__, '1.5.0', __('new WordPress Loop') );
    65 
    66         // Since the old style loop is being used, advance the query iterator here.
    67         $wp_query->next_post();
    68 
    69         setup_postdata( get_post() );
    70 }
    71 
    72 /**
    73  * Returns or prints a category ID.
    74  *
    75  * @since 0.71
    76  * @deprecated 0.71 Use get_the_category()
    77  * @see get_the_category()
    78  *
    79  * @param bool $echo Optional. Whether to echo the output. Default true.
    80  * @return int Category ID.
    81  */
    82 function the_category_ID($echo = true) {
    83         _deprecated_function( __FUNCTION__, '0.71', 'get_the_category()' );
    84 
    85         // Grab the first cat in the list.
    86         $categories = get_the_category();
    87         $cat = $categories[0]->term_id;
    88 
    89         if ( $echo )
    90                 echo $cat;
    91 
    92         return $cat;
    93 }
    94 
    95 /**
    96  * Prints a category with optional text before and after.
    97  *
    98  * @since 0.71
    99  * @deprecated 0.71 Use get_the_category_by_ID()
    100  * @see get_the_category_by_ID()
    101  *
    102  * @param string $before Optional. Text to display before the category. Default empty.
    103  * @param string $after  Optional. Text to display after the category. Default empty.
    104  */
    105 function the_category_head( $before = '', $after = '' ) {
    106         global $currentcat, $previouscat;
    107 
    108         _deprecated_function( __FUNCTION__, '0.71', 'get_the_category_by_ID()' );
    109 
    110         // Grab the first cat in the list.
    111         $categories = get_the_category();
    112         $currentcat = $categories[0]->category_id;
    113         if ( $currentcat != $previouscat ) {
    114                 echo $before;
    115                 echo get_the_category_by_ID($currentcat);
    116                 echo $after;
    117                 $previouscat = $currentcat;
    118         }
    119 }
    120 
    121 /**
    122  * Prints a link to the previous post.
    123  *
    124  * @since 1.5.0
    125  * @deprecated 2.0.0 Use previous_post_link()
    126  * @see previous_post_link()
    127  *
    128  * @param string $format
    129  * @param string $previous
    130  * @param string $title
    131  * @param string $in_same_cat
    132  * @param int    $limitprev
    133  * @param string $excluded_categories
    134  */
    135 function previous_post($format='%', $previous='previous post: ', $title='yes', $in_same_cat='no', $limitprev=1, $excluded_categories='') {
    136 
    137         _deprecated_function( __FUNCTION__, '2.0.0', 'previous_post_link()' );
    138 
    139         if ( empty($in_same_cat) || 'no' == $in_same_cat )
    140                 $in_same_cat = false;
    141         else
    142                 $in_same_cat = true;
    143 
    144         $post = get_previous_post($in_same_cat, $excluded_categories);
    145 
    146         if ( !$post )
    147                 return;
    148 
    149         $string = '<a href="'.get_permalink($post->ID).'">'.$previous;
    150         if ( 'yes' == $title )
    151                 $string .= apply_filters('the_title', $post->post_title, $post->ID);
    152         $string .= '</a>';
    153         $format = str_replace('%', $string, $format);
    154         echo $format;
    155 }
    156 
    157 /**
    158  * Prints link to the next post.
    159  *
    160  * @since 0.71
    161  * @deprecated 2.0.0 Use next_post_link()
    162  * @see next_post_link()
    163  *
    164  * @param string $format
    165  * @param string $next
    166  * @param string $title
    167  * @param string $in_same_cat
    168  * @param int $limitnext
    169  * @param string $excluded_categories
    170  */
    171 function next_post($format='%', $next='next post: ', $title='yes', $in_same_cat='no', $limitnext=1, $excluded_categories='') {
    172         _deprecated_function( __FUNCTION__, '2.0.0', 'next_post_link()' );
    173 
    174         if ( empty($in_same_cat) || 'no' == $in_same_cat )
    175                 $in_same_cat = false;
    176         else
    177                 $in_same_cat = true;
    178 
    179         $post = get_next_post($in_same_cat, $excluded_categories);
    180 
    181         if ( !$post     )
    182                 return;
    183 
    184         $string = '<a href="'.get_permalink($post->ID).'">'.$next;
    185         if ( 'yes' == $title )
    186                 $string .= apply_filters('the_title', $post->post_title, $post->ID);
    187         $string .= '</a>';
    188         $format = str_replace('%', $string, $format);
    189         echo $format;
    190 }
    191 
    192 /**
    193  * Whether user can create a post.
    194  *
    195  * @since 1.5.0
    196  * @deprecated 2.0.0 Use current_user_can()
    197  * @see current_user_can()
    198  *
    199  * @param int $user_id
    200  * @param int $blog_id Not Used
    201  * @param int $category_id Not Used
    202  * @return bool
    203  */
    204 function user_can_create_post($user_id, $blog_id = 1, $category_id = 'None') {
    205         _deprecated_function( __FUNCTION__, '2.0.0', 'current_user_can()' );
    206 
    207         $author_data = get_userdata($user_id);
    208         return ($author_data->user_level > 1);
    209 }
    210 
    211 /**
    212  * Whether user can create a post.
    213  *
    214  * @since 1.5.0
    215  * @deprecated 2.0.0 Use current_user_can()
    216  * @see current_user_can()
    217  *
    218  * @param int $user_id
    219  * @param int $blog_id Not Used
    220  * @param int $category_id Not Used
    221  * @return bool
    222  */
    223 function user_can_create_draft($user_id, $blog_id = 1, $category_id = 'None') {
    224         _deprecated_function( __FUNCTION__, '2.0.0', 'current_user_can()' );
    225 
    226         $author_data = get_userdata($user_id);
    227         return ($author_data->user_level >= 1);
    228 }
    229 
    230 /**
    231  * Whether user can edit a post.
    232  *
    233  * @since 1.5.0
    234  * @deprecated 2.0.0 Use current_user_can()
    235  * @see current_user_can()
    236  *
    237  * @param int $user_id
    238  * @param int $post_id
    239  * @param int $blog_id Not Used
    240  * @return bool
    241  */
    242 function user_can_edit_post($user_id, $post_id, $blog_id = 1) {
    243         _deprecated_function( __FUNCTION__, '2.0.0', 'current_user_can()' );
    244 
    245         $author_data = get_userdata($user_id);
    246         $post = get_post($post_id);
    247         $post_author_data = get_userdata($post->post_author);
    248 
    249         if ( (($user_id == $post_author_data->ID) && !($post->post_status == 'publish' && $author_data->user_level < 2))
    250                          || ($author_data->user_level > $post_author_data->user_level)
    251                          || ($author_data->user_level >= 10) ) {
    252                 return true;
    253         } else {
    254                 return false;
    255         }
    256 }
    257 
    258 /**
    259  * Whether user can delete a post.
    260  *
    261  * @since 1.5.0
    262  * @deprecated 2.0.0 Use current_user_can()
    263  * @see current_user_can()
    264  *
    265  * @param int $user_id
    266  * @param int $post_id
    267  * @param int $blog_id Not Used
    268  * @return bool
    269  */
    270 function user_can_delete_post($user_id, $post_id, $blog_id = 1) {
    271         _deprecated_function( __FUNCTION__, '2.0.0', 'current_user_can()' );
    272 
    273         // right now if one can edit, one can delete
    274         return user_can_edit_post($user_id, $post_id, $blog_id);
    275 }
    276 
    277 /**
    278  * Whether user can set new posts' dates.
    279  *
    280  * @since 1.5.0
    281  * @deprecated 2.0.0 Use current_user_can()
    282  * @see current_user_can()
    283  *
    284  * @param int $user_id
    285  * @param int $blog_id Not Used
    286  * @param int $category_id Not Used
    287  * @return bool
    288  */
    289 function user_can_set_post_date($user_id, $blog_id = 1, $category_id = 'None') {
    290         _deprecated_function( __FUNCTION__, '2.0.0', 'current_user_can()' );
    291 
    292         $author_data = get_userdata($user_id);
    293         return (($author_data->user_level > 4) && user_can_create_post($user_id, $blog_id, $category_id));
    294 }
    295 
    296 /**
    297  * Whether user can delete a post.
    298  *
    299  * @since 1.5.0
    300  * @deprecated 2.0.0 Use current_user_can()
    301  * @see current_user_can()
    302  *
    303  * @param int $user_id
    304  * @param int $post_id
    305  * @param int $blog_id Not Used
    306  * @return bool returns true if $user_id can edit $post_id's date
    307  */
    308 function user_can_edit_post_date($user_id, $post_id, $blog_id = 1) {
    309         _deprecated_function( __FUNCTION__, '2.0.0', 'current_user_can()' );
    310 
    311         $author_data = get_userdata($user_id);
    312         return (($author_data->user_level > 4) && user_can_edit_post($user_id, $post_id, $blog_id));
    313 }
    314 
    315 /**
    316  * Whether user can delete a post.
    317  *
    318  * @since 1.5.0
    319  * @deprecated 2.0.0 Use current_user_can()
    320  * @see current_user_can()
    321  *
    322  * @param int $user_id
    323  * @param int $post_id
    324  * @param int $blog_id Not Used
    325  * @return bool returns true if $user_id can edit $post_id's comments
    326  */
    327 function user_can_edit_post_comments($user_id, $post_id, $blog_id = 1) {
    328         _deprecated_function( __FUNCTION__, '2.0.0', 'current_user_can()' );
    329 
    330         // right now if one can edit a post, one can edit comments made on it
    331         return user_can_edit_post($user_id, $post_id, $blog_id);
    332 }
    333 
    334 /**
    335  * Whether user can delete a post.
    336  *
    337  * @since 1.5.0
    338  * @deprecated 2.0.0 Use current_user_can()
    339  * @see current_user_can()
    340  *
    341  * @param int $user_id
    342  * @param int $post_id
    343  * @param int $blog_id Not Used
    344  * @return bool returns true if $user_id can delete $post_id's comments
    345  */
    346 function user_can_delete_post_comments($user_id, $post_id, $blog_id = 1) {
    347         _deprecated_function( __FUNCTION__, '2.0.0', 'current_user_can()' );
    348 
    349         // right now if one can edit comments, one can delete comments
    350         return user_can_edit_post_comments($user_id, $post_id, $blog_id);
    351 }
    352 
    353 /**
    354  * Can user can edit other user.
    355  *
    356  * @since 1.5.0
    357  * @deprecated 2.0.0 Use current_user_can()
    358  * @see current_user_can()
    359  *
    360  * @param int $user_id
    361  * @param int $other_user
    362  * @return bool
    363  */
    364 function user_can_edit_user($user_id, $other_user) {
    365         _deprecated_function( __FUNCTION__, '2.0.0', 'current_user_can()' );
    366 
    367         $user  = get_userdata($user_id);
    368         $other = get_userdata($other_user);
    369         if ( $user->user_level > $other->user_level || $user->user_level > 8 || $user->ID == $other->ID )
    370                 return true;
    371         else
    372                 return false;
    373 }
    374 
    375 /**
    376  * Gets the links associated with category $cat_name.
    377  *
    378  * @since 0.71
    379  * @deprecated 2.1.0 Use get_bookmarks()
    380  * @see get_bookmarks()
    381  *
    382  * @param string $cat_name Optional. The category name to use. If no match is found uses all.
    383  * @param string $before Optional. The html to output before the link.
    384  * @param string $after Optional. The html to output after the link.
    385  * @param string $between Optional. The html to output between the link/image and its description. Not used if no image or $show_images is true.
    386  * @param bool $show_images Optional. Whether to show images (if defined).
    387  * @param string $orderby Optional. The order to output the links. E.g. 'id', 'name', 'url', 'description' or 'rating'. Or maybe owner.
    388  *              If you start the name with an underscore the order will be reversed. You can also specify 'rand' as the order which will return links in a
    389  *              random order.
    390  * @param bool $show_description Optional. Whether to show the description if show_images=false/not defined.
    391  * @param bool $show_rating Optional. Show rating stars/chars.
    392  * @param int $limit            Optional. Limit to X entries. If not specified, all entries are shown.
    393  * @param int $show_updated Optional. Whether to show last updated timestamp
    394  */
    395 function get_linksbyname($cat_name = "noname", $before = '', $after = '<br />', $between = " ", $show_images = true, $orderby = 'id',
    396                                                  $show_description = true, $show_rating = false,
    397                                                  $limit = -1, $show_updated = 0) {
    398         _deprecated_function( __FUNCTION__, '2.1.0', 'get_bookmarks()' );
    399 
    400         $cat_id = -1;
    401         $cat = get_term_by('name', $cat_name, 'link_category');
    402         if ( $cat )
    403                 $cat_id = $cat->term_id;
    404 
    405         get_links($cat_id, $before, $after, $between, $show_images, $orderby, $show_description, $show_rating, $limit, $show_updated);
    406 }
    407 
    408 /**
    409  * Gets the links associated with the named category.
    410  *
    411  * @since 1.0.1
    412  * @deprecated 2.1.0 Use wp_list_bookmarks()
    413  * @see wp_list_bookmarks()
    414  *
    415  * @param string $category The category to use.
    416  * @param string $args
    417  * @return string|null
    418  */
    419 function wp_get_linksbyname($category, $args = '') {
    420         _deprecated_function(__FUNCTION__, '2.1.0', 'wp_list_bookmarks()');
    421 
    422         $defaults = array(
    423                 'after' => '<br />',
    424                 'before' => '',
    425                 'categorize' => 0,
    426                 'category_after' => '',
    427                 'category_before' => '',
    428                 'category_name' => $category,
    429                 'show_description' => 1,
    430                 'title_li' => '',
    431         );
    432 
    433         $r = wp_parse_args( $args, $defaults );
    434 
    435         return wp_list_bookmarks($r);
    436 }
    437 
    438 /**
    439  * Gets an array of link objects associated with category $cat_name.
    440  *
    441  *     $links = get_linkobjectsbyname( 'fred' );
    442  *     foreach ( $links as $link ) {
    443  *              echo '<li>' . $link->link_name . '</li>';
    444  *     }
    445  *
    446  * @since 1.0.1
    447  * @deprecated 2.1.0 Use get_bookmarks()
    448  * @see get_bookmarks()
    449  *
    450  * @param string $cat_name The category name to use. If no match is found uses all.
    451  * @param string $orderby The order to output the links. E.g. 'id', 'name', 'url', 'description', or 'rating'.
    452  *              Or maybe owner. If you start the name with an underscore the order will be reversed. You can also
    453  *              specify 'rand' as the order which will return links in a random order.
    454  * @param int $limit Limit to X entries. If not specified, all entries are shown.
    455  * @return array
    456  */
    457 function get_linkobjectsbyname($cat_name = "noname" , $orderby = 'name', $limit = -1) {
    458         _deprecated_function( __FUNCTION__, '2.1.0', 'get_bookmarks()' );
    459 
    460         $cat_id = -1;
    461         $cat = get_term_by('name', $cat_name, 'link_category');
    462         if ( $cat )
    463                 $cat_id = $cat->term_id;
    464 
    465         return get_linkobjects($cat_id, $orderby, $limit);
    466 }
    467 
    468 /**
    469  * Gets an array of link objects associated with category n.
    470  *
    471  * Usage:
    472  *
    473  *     $links = get_linkobjects(1);
    474  *     if ($links) {
    475  *      foreach ($links as $link) {
    476  *              echo '<li>'.$link->link_name.'<br />'.$link->link_description.'</li>';
    477  *      }
    478  *     }
    479  *
    480  * Fields are:
    481  *
    482  * - link_id
    483  * - link_url
    484  * - link_name
    485  * - link_image
    486  * - link_target
    487  * - link_category
    488  * - link_description
    489  * - link_visible
    490  * - link_owner
    491  * - link_rating
    492  * - link_updated
    493  * - link_rel
    494  * - link_notes
    495  *
    496  * @since 1.0.1
    497  * @deprecated 2.1.0 Use get_bookmarks()
    498  * @see get_bookmarks()
    499  *
    500  * @param int $category The category to use. If no category supplied uses all
    501  * @param string $orderby the order to output the links. E.g. 'id', 'name', 'url',
    502  *              'description', or 'rating'. Or maybe owner. If you start the name with an
    503  *              underscore the order will be reversed. You can also specify 'rand' as the
    504  *              order which will return links in a random order.
    505  * @param int $limit Limit to X entries. If not specified, all entries are shown.
    506  * @return array
    507  */
    508 function get_linkobjects($category = 0, $orderby = 'name', $limit = 0) {
    509         _deprecated_function( __FUNCTION__, '2.1.0', 'get_bookmarks()' );
    510 
    511         $links = get_bookmarks( array( 'category' => $category, 'orderby' => $orderby, 'limit' => $limit ) ) ;
    512 
    513         $links_array = array();
    514         foreach ($links as $link)
    515                 $links_array[] = $link;
    516 
    517         return $links_array;
    518 }
    519 
    520 /**
    521  * Gets the links associated with category 'cat_name' and display rating stars/chars.
    522  *
    523  * @since 0.71
    524  * @deprecated 2.1.0 Use get_bookmarks()
    525  * @see get_bookmarks()
    526  *
    527  * @param string $cat_name The category name to use. If no match is found uses all
    528  * @param string $before The html to output before the link
    529  * @param string $after The html to output after the link
    530  * @param string $between The html to output between the link/image and its description. Not used if no image or show_images is true
    531  * @param bool $show_images Whether to show images (if defined).
    532  * @param string $orderby the order to output the links. E.g. 'id', 'name', 'url',
    533  *              'description', or 'rating'. Or maybe owner. If you start the name with an
    534  *              underscore the order will be reversed. You can also specify 'rand' as the
    535  *              order which will return links in a random order.
    536  * @param bool $show_description Whether to show the description if show_images=false/not defined
    537  * @param int $limit Limit to X entries. If not specified, all entries are shown.
    538  * @param int $show_updated Whether to show last updated timestamp
    539  */
    540 function get_linksbyname_withrating($cat_name = "noname", $before = '', $after = '<br />', $between = " ",
    541                                                                         $show_images = true, $orderby = 'id', $show_description = true, $limit = -1, $show_updated = 0) {
    542         _deprecated_function( __FUNCTION__, '2.1.0', 'get_bookmarks()' );
    543 
    544         get_linksbyname($cat_name, $before, $after, $between, $show_images, $orderby, $show_description, true, $limit, $show_updated);
    545 }
    546 
    547 /**
    548  * Gets the links associated with category n and display rating stars/chars.
    549  *
    550  * @since 0.71
    551  * @deprecated 2.1.0 Use get_bookmarks()
    552  * @see get_bookmarks()
    553  *
    554  * @param int $category The category to use. If no category supplied uses all
    555  * @param string $before The html to output before the link
    556  * @param string $after The html to output after the link
    557  * @param string $between The html to output between the link/image and its description. Not used if no image or show_images == true
    558  * @param bool $show_images Whether to show images (if defined).
    559  * @param string $orderby The order to output the links. E.g. 'id', 'name', 'url',
    560  *              'description', or 'rating'. Or maybe owner. If you start the name with an
    561  *              underscore the order will be reversed. You can also specify 'rand' as the
    562  *              order which will return links in a random order.
    563  * @param bool $show_description Whether to show the description if show_images=false/not defined.
    564  * @param int $limit Limit to X entries. If not specified, all entries are shown.
    565  * @param int $show_updated Whether to show last updated timestamp
    566  */
    567 function get_links_withrating($category = -1, $before = '', $after = '<br />', $between = " ", $show_images = true,
    568                                                           $orderby = 'id', $show_description = true, $limit = -1, $show_updated = 0) {
    569         _deprecated_function( __FUNCTION__, '2.1.0', 'get_bookmarks()' );
    570 
    571         get_links($category, $before, $after, $between, $show_images, $orderby, $show_description, true, $limit, $show_updated);
    572 }
    573 
    574 /**
    575  * Gets the auto_toggle setting.
    576  *
    577  * @since 0.71
    578  * @deprecated 2.1.0
    579  *
    580  * @param int $id The category to get. If no category supplied uses 0
    581  * @return int Only returns 0.
    582  */
    583 function get_autotoggle($id = 0) {
    584         _deprecated_function( __FUNCTION__, '2.1.0' );
    585         return 0;
    586 }
    587 
    588 /**
    589  * Lists categories.
    590  *
    591  * @since 0.71
    592  * @deprecated 2.1.0 Use wp_list_categories()
    593  * @see wp_list_categories()
    594  *
    595  * @param int $optionall
    596  * @param string $all
    597  * @param string $sort_column
    598  * @param string $sort_order
    599  * @param string $file
    600  * @param bool $list
    601  * @param int $optiondates
    602  * @param int $optioncount
    603  * @param int $hide_empty
    604  * @param int $use_desc_for_title
    605  * @param bool $children
    606  * @param int $child_of
    607  * @param int $categories
    608  * @param int $recurse
    609  * @param string $feed
    610  * @param string $feed_image
    611  * @param string $exclude
    612  * @param bool $hierarchical
    613  * @return false|null
    614  */
    615 function list_cats($optionall = 1, $all = 'All', $sort_column = 'ID', $sort_order = 'asc', $file = '', $list = true, $optiondates = 0,
    616                                    $optioncount = 0, $hide_empty = 1, $use_desc_for_title = 1, $children=false, $child_of=0, $categories=0,
    617                                    $recurse=0, $feed = '', $feed_image = '', $exclude = '', $hierarchical=false) {
    618         _deprecated_function( __FUNCTION__, '2.1.0', 'wp_list_categories()' );
    619 
    620         $query = compact('optionall', 'all', 'sort_column', 'sort_order', 'file', 'list', 'optiondates', 'optioncount', 'hide_empty', 'use_desc_for_title', 'children',
    621                 'child_of', 'categories', 'recurse', 'feed', 'feed_image', 'exclude', 'hierarchical');
    622         return wp_list_cats($query);
    623 }
    624 
    625 /**
    626  * Lists categories.
    627  *
    628  * @since 1.2.0
    629  * @deprecated 2.1.0 Use wp_list_categories()
    630  * @see wp_list_categories()
    631  *
    632  * @param string|array $args
    633  * @return false|null|string
    634  */
    635 function wp_list_cats($args = '') {
    636         _deprecated_function( __FUNCTION__, '2.1.0', 'wp_list_categories()' );
    637 
    638         $r = wp_parse_args( $args );
    639 
    640         // Map to new names.
    641         if ( isset($r['optionall']) && isset($r['all']))
    642                 $r['show_option_all'] = $r['all'];
    643         if ( isset($r['sort_column']) )
    644                 $r['orderby'] = $r['sort_column'];
    645         if ( isset($r['sort_order']) )
    646                 $r['order'] = $r['sort_order'];
    647         if ( isset($r['optiondates']) )
    648                 $r['show_last_update'] = $r['optiondates'];
    649         if ( isset($r['optioncount']) )
    650                 $r['show_count'] = $r['optioncount'];
    651         if ( isset($r['list']) )
    652                 $r['style'] = $r['list'] ? 'list' : 'break';
    653         $r['title_li'] = '';
    654 
    655         return wp_list_categories($r);
    656 }
    657 
    658 /**
    659  * Deprecated method for generating a drop-down of categories.
    660  *
    661  * @since 0.71
    662  * @deprecated 2.1.0 Use wp_dropdown_categories()
    663  * @see wp_dropdown_categories()
    664  *
    665  * @param int $optionall
    666  * @param string $all
    667  * @param string $orderby
    668  * @param string $order
    669  * @param int $show_last_update
    670  * @param int $show_count
    671  * @param int $hide_empty
    672  * @param bool $optionnone
    673  * @param int $selected
    674  * @param int $exclude
    675  * @return string
    676  */
    677 function dropdown_cats($optionall = 1, $all = 'All', $orderby = 'ID', $order = 'asc',
    678                 $show_last_update = 0, $show_count = 0, $hide_empty = 1, $optionnone = false,
    679                 $selected = 0, $exclude = 0) {
    680         _deprecated_function( __FUNCTION__, '2.1.0', 'wp_dropdown_categories()' );
    681 
    682         $show_option_all = '';
    683         if ( $optionall )
    684                 $show_option_all = $all;
    685 
    686         $show_option_none = '';
    687         if ( $optionnone )
    688                 $show_option_none = __('None');
    689 
    690         $vars = compact('show_option_all', 'show_option_none', 'orderby', 'order',
    691                                         'show_last_update', 'show_count', 'hide_empty', 'selected', 'exclude');
    692         $query = add_query_arg($vars, '');
    693         return wp_dropdown_categories($query);
    694 }
    695 
    696 /**
    697  * Lists authors.
    698  *
    699  * @since 1.2.0
    700  * @deprecated 2.1.0 Use wp_list_authors()
    701  * @see wp_list_authors()
    702  *
    703  * @param bool $optioncount
    704  * @param bool $exclude_admin
    705  * @param bool $show_fullname
    706  * @param bool $hide_empty
    707  * @param string $feed
    708  * @param string $feed_image
    709  * @return null|string
    710  */
    711 function list_authors($optioncount = false, $exclude_admin = true, $show_fullname = false, $hide_empty = true, $feed = '', $feed_image = '') {
    712         _deprecated_function( __FUNCTION__, '2.1.0', 'wp_list_authors()' );
    713 
    714         $args = compact('optioncount', 'exclude_admin', 'show_fullname', 'hide_empty', 'feed', 'feed_image');
    715         return wp_list_authors($args);
    716 }
    717 
    718 /**
    719  * Retrieves a list of post categories.
    720  *
    721  * @since 1.0.1
    722  * @deprecated 2.1.0 Use wp_get_post_categories()
    723  * @see wp_get_post_categories()
    724  *
    725  * @param int $blogid Not Used
    726  * @param int $post_ID
    727  * @return array
    728  */
    729 function wp_get_post_cats($blogid = '1', $post_ID = 0) {
    730         _deprecated_function( __FUNCTION__, '2.1.0', 'wp_get_post_categories()' );
    731         return wp_get_post_categories($post_ID);
    732 }
    733 
    734 /**
    735  * Sets the categories that the post id belongs to.
    736  *
    737  * @since 1.0.1
    738  * @deprecated 2.1.0
    739  * @deprecated Use wp_set_post_categories()
    740  * @see wp_set_post_categories()
    741  *
    742  * @param int $blogid Not used
    743  * @param int $post_ID
    744  * @param array $post_categories
    745  * @return bool|mixed
    746  */
    747 function wp_set_post_cats($blogid = '1', $post_ID = 0, $post_categories = array()) {
    748         _deprecated_function( __FUNCTION__, '2.1.0', 'wp_set_post_categories()' );
    749         return wp_set_post_categories($post_ID, $post_categories);
    750 }
    751 
    752 /**
    753  * Retrieves a list of archives.
    754  *
    755  * @since 0.71
    756  * @deprecated 2.1.0 Use wp_get_archives()
    757  * @see wp_get_archives()
    758  *
    759  * @param string $type
    760  * @param string $limit
    761  * @param string $format
    762  * @param string $before
    763  * @param string $after
    764  * @param bool $show_post_count
    765  * @return string|null
    766  */
    767 function get_archives($type='', $limit='', $format='html', $before = '', $after = '', $show_post_count = false) {
    768         _deprecated_function( __FUNCTION__, '2.1.0', 'wp_get_archives()' );
    769         $args = compact('type', 'limit', 'format', 'before', 'after', 'show_post_count');
    770         return wp_get_archives($args);
    771 }
    772 
    773 /**
    774  * Returns or Prints link to the author's posts.
    775  *
    776  * @since 1.2.0
    777  * @deprecated 2.1.0 Use get_author_posts_url()
    778  * @see get_author_posts_url()
    779  *
    780  * @param bool $echo
    781  * @param int $author_id
    782  * @param string $author_nicename Optional.
    783  * @return string|null
    784  */
    785 function get_author_link($echo, $author_id, $author_nicename = '') {
    786         _deprecated_function( __FUNCTION__, '2.1.0', 'get_author_posts_url()' );
    787 
    788         $link = get_author_posts_url($author_id, $author_nicename);
    789 
    790         if ( $echo )
    791                 echo $link;
    792         return $link;
    793 }
    794 
    795 /**
    796  * Print list of pages based on arguments.
    797  *
    798  * @since 0.71
    799  * @deprecated 2.1.0 Use wp_link_pages()
    800  * @see wp_link_pages()
    801  *
    802  * @param string $before
    803  * @param string $after
    804  * @param string $next_or_number
    805  * @param string $nextpagelink
    806  * @param string $previouspagelink
    807  * @param string $pagelink
    808  * @param string $more_file
    809  * @return string
    810  */
    811 function link_pages($before='<br />', $after='<br />', $next_or_number='number', $nextpagelink='next page', $previouspagelink='previous page',
    812                                         $pagelink='%', $more_file='') {
    813         _deprecated_function( __FUNCTION__, '2.1.0', 'wp_link_pages()' );
    814 
    815         $args = compact('before', 'after', 'next_or_number', 'nextpagelink', 'previouspagelink', 'pagelink', 'more_file');
    816         return wp_link_pages($args);
    817 }
    818 
    819 /**
    820  * Get value based on option.
    821  *
    822  * @since 0.71
    823  * @deprecated 2.1.0 Use get_option()
    824  * @see get_option()
    825  *
    826  * @param string $option
    827  * @return string
    828  */
    829 function get_settings($option) {
    830         _deprecated_function( __FUNCTION__, '2.1.0', 'get_option()' );
    831 
    832         return get_option($option);
    833 }
    834 
    835 /**
    836  * Print the permalink of the current post in the loop.
    837  *
    838  * @since 0.71
    839  * @deprecated 1.2.0 Use the_permalink()
    840  * @see the_permalink()
    841  */
    842 function permalink_link() {
    843         _deprecated_function( __FUNCTION__, '1.2.0', 'the_permalink()' );
    844         the_permalink();
    845 }
    846 
    847 /**
    848  * Print the permalink to the RSS feed.
    849  *
    850  * @since 0.71
    851  * @deprecated 2.3.0 Use the_permalink_rss()
    852  * @see the_permalink_rss()
    853  *
    854  * @param string $deprecated
    855  */
    856 function permalink_single_rss($deprecated = '') {
    857         _deprecated_function( __FUNCTION__, '2.3.0', 'the_permalink_rss()' );
    858         the_permalink_rss();
    859 }
    860 
    861 /**
    862  * Gets the links associated with category.
    863  *
    864  * @since 1.0.1
    865  * @deprecated 2.1.0 Use wp_list_bookmarks()
    866  * @see wp_list_bookmarks()
    867  *
    868  * @param string $args a query string
    869  * @return null|string
    870  */
    871 function wp_get_links($args = '') {
    872         _deprecated_function( __FUNCTION__, '2.1.0', 'wp_list_bookmarks()' );
    873 
    874         if ( strpos( $args, '=' ) === false ) {
    875                 $cat_id = $args;
    876                 $args = add_query_arg( 'category', $cat_id, $args );
    877         }
    878 
    879         $defaults = array(
    880                 'after' => '<br />',
    881                 'before' => '',
    882                 'between' => ' ',
    883                 'categorize' => 0,
    884                 'category' => '',
    885                 'echo' => true,
    886                 'limit' => -1,
    887                 'orderby' => 'name',
    888                 'show_description' => true,
    889                 'show_images' => true,
    890                 'show_rating' => false,
    891                 'show_updated' => true,
    892                 'title_li' => '',
    893         );
    894 
    895         $r = wp_parse_args( $args, $defaults );
    896 
    897         return wp_list_bookmarks($r);
    898 }
    899 
    900 /**
    901  * Gets the links associated with category by id.
    902  *
    903  * @since 0.71
    904  * @deprecated 2.1.0 Use get_bookmarks()
    905  * @see get_bookmarks()
    906  *
    907  * @param int $category The category to use. If no category supplied uses all
    908  * @param string $before the html to output before the link
    909  * @param string $after the html to output after the link
    910  * @param string $between the html to output between the link/image and its description.
    911  *              Not used if no image or show_images == true
    912  * @param bool $show_images whether to show images (if defined).
    913  * @param string $orderby the order to output the links. E.g. 'id', 'name', 'url',
    914  *              'description', or 'rating'. Or maybe owner. If you start the name with an
    915  *              underscore the order will be reversed. You can also specify 'rand' as the order
    916  *              which will return links in a random order.
    917  * @param bool $show_description whether to show the description if show_images=false/not defined.
    918  * @param bool $show_rating show rating stars/chars
    919  * @param int $limit Limit to X entries. If not specified, all entries are shown.
    920  * @param int $show_updated whether to show last updated timestamp
    921  * @param bool $echo whether to echo the results, or return them instead
    922  * @return null|string
    923  */
    924 function get_links($category = -1, $before = '', $after = '<br />', $between = ' ', $show_images = true, $orderby = 'name',
    925                         $show_description = true, $show_rating = false, $limit = -1, $show_updated = 1, $echo = true) {
    926         _deprecated_function( __FUNCTION__, '2.1.0', 'get_bookmarks()' );
    927 
    928         $order = 'ASC';
    929         if ( substr($orderby, 0, 1) == '_' ) {
    930                 $order = 'DESC';
    931                 $orderby = substr($orderby, 1);
    932         }
    933 
    934         if ( $category == -1 ) //get_bookmarks uses '' to signify all categories
    935                 $category = '';
    936 
    937         $results = get_bookmarks(array('category' => $category, 'orderby' => $orderby, 'order' => $order, 'show_updated' => $show_updated, 'limit' => $limit));
    938 
    939         if ( !$results )
    940                 return;
    941 
    942         $output = '';
    943 
    944         foreach ( (array) $results as $row ) {
    945                 if ( !isset($row->recently_updated) )
    946                         $row->recently_updated = false;
    947                 $output .= $before;
    948                 if ( $show_updated && $row->recently_updated )
    949                         $output .= get_option('links_recently_updated_prepend');
    950                 $the_link = '#';
    951                 if ( !empty($row->link_url) )
    952                         $the_link = esc_url($row->link_url);
    953                 $rel = $row->link_rel;
    954                 if ( '' != $rel )
    955                         $rel = ' rel="' . $rel . '"';
    956 
    957                 $desc = esc_attr(sanitize_bookmark_field('link_description', $row->link_description, $row->link_id, 'display'));
    958                 $name = esc_attr(sanitize_bookmark_field('link_name', $row->link_name, $row->link_id, 'display'));
    959                 $title = $desc;
    960 
    961                 if ( $show_updated )
    962                         if (substr($row->link_updated_f, 0, 2) != '00')
    963                                 $title .= ' ('.__('Last updated') . ' ' . date(get_option('links_updated_date_format'), $row->link_updated_f + (get_option('gmt_offset') * HOUR_IN_SECONDS)) . ')';
    964 
    965                 if ( '' != $title )
    966                         $title = ' title="' . $title . '"';
    967 
    968                 $alt = ' alt="' . $name . '"';
    969 
    970                 $target = $row->link_target;
    971                 if ( '' != $target )
    972                         $target = ' target="' . $target . '"';
    973 
    974                 $output .= '<a href="' . $the_link . '"' . $rel . $title . $target. '>';
    975 
    976                 if ( $row->link_image != null && $show_images ) {
    977                         if ( strpos($row->link_image, 'http') !== false )
    978                                 $output .= "<img src=\"$row->link_image\" $alt $title />";
    979                         else // If it's a relative path
    980                                 $output .= "<img src=\"" . get_option('siteurl') . "$row->link_image\" $alt $title />";
    981                 } else {
    982                         $output .= $name;
    983                 }
    984 
    985                 $output .= '</a>';
    986 
    987                 if ( $show_updated && $row->recently_updated )
    988                         $output .= get_option('links_recently_updated_append');
    989 
    990                 if ( $show_description && '' != $desc )
    991                         $output .= $between . $desc;
    992 
    993                 if ($show_rating) {
    994                         $output .= $between . get_linkrating($row);
    995                 }
    996 
    997                 $output .= "$after\n";
    998         } // end while
    999 
    1000         if ( !$echo )
    1001                 return $output;
    1002         echo $output;
    1003 }
    1004 
    1005 /**
    1006  * Output entire list of links by category.
    1007  *
    1008  * Output a list of all links, listed by category, using the settings in
    1009  * $wpdb->linkcategories and output it as a nested HTML unordered list.
    1010  *
    1011  * @since 1.0.1
    1012  * @deprecated 2.1.0 Use wp_list_bookmarks()
    1013  * @see wp_list_bookmarks()
    1014  *
    1015  * @param string $order Sort link categories by 'name' or 'id'
    1016  */
    1017 function get_links_list($order = 'name') {
    1018         _deprecated_function( __FUNCTION__, '2.1.0', 'wp_list_bookmarks()' );
    1019 
    1020         $order = strtolower($order);
    1021 
    1022         // Handle link category sorting
    1023         $direction = 'ASC';
    1024         if ( '_' == substr($order,0,1) ) {
    1025                 $direction = 'DESC';
    1026                 $order = substr($order,1);
    1027         }
    1028 
    1029         if ( !isset($direction) )
    1030                 $direction = '';
    1031 
    1032         $cats = get_categories(array('type' => 'link', 'orderby' => $order, 'order' => $direction, 'hierarchical' => 0));
    1033 
    1034         // Display each category
    1035         if ( $cats ) {
    1036                 foreach ( (array) $cats as $cat ) {
    1037                         // Handle each category.
    1038 
    1039                         // Display the category name
    1040                         echo '  <li id="linkcat-' . $cat->term_id . '" class="linkcat"><h2>' . apply_filters('link_category', $cat->name ) . "</h2>\n\t<ul>\n";
    1041                         // Call get_links() with all the appropriate params
    1042                         get_links($cat->term_id, '<li>', "</li>", "\n", true, 'name', false);
    1043 
    1044                         // Close the last category
    1045                         echo "\n\t</ul>\n</li>\n";
    1046                 }
    1047         }
    1048 }
    1049 
    1050 /**
    1051  * Show the link to the links popup and the number of links.
    1052  *
    1053  * @since 0.71
    1054  * @deprecated 2.1.0
    1055  *
    1056  * @param string $text the text of the link
    1057  * @param int $width the width of the popup window
    1058  * @param int $height the height of the popup window
    1059  * @param string $file the page to open in the popup window
    1060  * @param bool $count the number of links in the db
    1061  */
    1062 function links_popup_script($text = 'Links', $width=400, $height=400, $file='links.all.php', $count = true) {
    1063         _deprecated_function( __FUNCTION__, '2.1.0' );
    1064 }
    1065 
    1066 /**
    1067  * Legacy function that retrieved the value of a link's link_rating field.
    1068  *
    1069  * @since 1.0.1
    1070  * @deprecated 2.1.0 Use sanitize_bookmark_field()
    1071  * @see sanitize_bookmark_field()
    1072  *
    1073  * @param object $link Link object.
    1074  * @return mixed Value of the 'link_rating' field, false otherwise.
    1075  */
    1076 function get_linkrating( $link ) {
    1077         _deprecated_function( __FUNCTION__, '2.1.0', 'sanitize_bookmark_field()' );
    1078         return sanitize_bookmark_field('link_rating', $link->link_rating, $link->link_id, 'display');
    1079 }
    1080 
    1081 /**
    1082  * Gets the name of category by id.
    1083  *
    1084  * @since 0.71
    1085  * @deprecated 2.1.0 Use get_category()
    1086  * @see get_category()
    1087  *
    1088  * @param int $id The category to get. If no category supplied uses 0
    1089  * @return string
    1090  */
    1091 function get_linkcatname($id = 0) {
    1092         _deprecated_function( __FUNCTION__, '2.1.0', 'get_category()' );
    1093 
    1094         $id = (int) $id;
    1095 
    1096         if ( empty($id) )
    1097                 return '';
    1098 
    1099         $cats = wp_get_link_cats($id);
    1100 
    1101         if ( empty($cats) || ! is_array($cats) )
    1102                 return '';
    1103 
    1104         $cat_id = (int) $cats[0]; // Take the first cat.
    1105 
    1106         $cat = get_category($cat_id);
    1107         return $cat->name;
    1108 }
    1109 
    1110 /**
    1111  * Print RSS comment feed link.
    1112  *
    1113  * @since 1.0.1
    1114  * @deprecated 2.5.0 Use post_comments_feed_link()
    1115  * @see post_comments_feed_link()
    1116  *
    1117  * @param string $link_text
    1118  */
    1119 function comments_rss_link($link_text = 'Comments RSS') {
    1120         _deprecated_function( __FUNCTION__, '2.5.0', 'post_comments_feed_link()' );
    1121         post_comments_feed_link($link_text);
    1122 }
    1123 
    1124 /**
    1125  * Print/Return link to category RSS2 feed.
    1126  *
    1127  * @since 1.2.0
    1128  * @deprecated 2.5.0 Use get_category_feed_link()
    1129  * @see get_category_feed_link()
    1130  *
    1131  * @param bool $echo
    1132  * @param int $cat_ID
    1133  * @return string
    1134  */
    1135 function get_category_rss_link($echo = false, $cat_ID = 1) {
    1136         _deprecated_function( __FUNCTION__, '2.5.0', 'get_category_feed_link()' );
    1137 
    1138         $link = get_category_feed_link($cat_ID, 'rss2');
    1139 
    1140         if ( $echo )
    1141                 echo $link;
    1142         return $link;
    1143 }
    1144 
    1145 /**
    1146  * Print/Return link to author RSS feed.
    1147  *
    1148  * @since 1.2.0
    1149  * @deprecated 2.5.0 Use get_author_feed_link()
    1150  * @see get_author_feed_link()
    1151  *
    1152  * @param bool $echo
    1153  * @param int $author_id
    1154  * @return string
    1155  */
    1156 function get_author_rss_link($echo = false, $author_id = 1) {
    1157         _deprecated_function( __FUNCTION__, '2.5.0', 'get_author_feed_link()' );
    1158 
    1159         $link = get_author_feed_link($author_id);
    1160         if ( $echo )
    1161                 echo $link;
    1162         return $link;
    1163 }
    1164 
    1165 /**
    1166  * Return link to the post RSS feed.
    1167  *
    1168  * @since 1.5.0
    1169  * @deprecated 2.2.0 Use get_post_comments_feed_link()
    1170  * @see get_post_comments_feed_link()
    1171  *
    1172  * @return string
    1173  */
    1174 function comments_rss() {
    1175         _deprecated_function( __FUNCTION__, '2.2.0', 'get_post_comments_feed_link()' );
    1176         return esc_url( get_post_comments_feed_link() );
    1177 }
    1178 
    1179 /**
    1180  * An alias of wp_create_user().
    1181  *
    1182  * @since 2.0.0
    1183  * @deprecated 2.0.0 Use wp_create_user()
    1184  * @see wp_create_user()
    1185  *
    1186  * @param string $username The user's username.
    1187  * @param string $password The user's password.
    1188  * @param string $email    The user's email.
    1189  * @return int The new user's ID.
    1190  */
    1191 function create_user($username, $password, $email) {
    1192         _deprecated_function( __FUNCTION__, '2.0.0', 'wp_create_user()' );
    1193         return wp_create_user($username, $password, $email);
    1194 }
    1195 
    1196 /**
    1197  * Unused function.
    1198  *
    1199  * @deprecated 2.5.0
    1200  */
    1201 function gzip_compression() {
    1202         _deprecated_function( __FUNCTION__, '2.5.0' );
    1203         return false;
    1204 }
    1205 
    1206 /**
    1207  * Retrieve an array of comment data about comment $comment_ID.
    1208  *
    1209  * @since 0.71
    1210  * @deprecated 2.7.0 Use get_comment()
    1211  * @see get_comment()
    1212  *
    1213  * @param int $comment_ID The ID of the comment
    1214  * @param int $no_cache Whether to use the cache (cast to bool)
    1215  * @param bool $include_unapproved Whether to include unapproved comments
    1216  * @return array The comment data
    1217  */
    1218 function get_commentdata( $comment_ID, $no_cache = 0, $include_unapproved = false ) {
    1219         _deprecated_function( __FUNCTION__, '2.7.0', 'get_comment()' );
    1220         return get_comment($comment_ID, ARRAY_A);
    1221 }
    1222 
    1223 /**
    1224  * Retrieve the category name by the category ID.
    1225  *
    1226  * @since 0.71
    1227  * @deprecated 2.8.0 Use get_cat_name()
    1228  * @see get_cat_name()
    1229  *
    1230  * @param int $cat_ID Category ID
    1231  * @return string category name
    1232  */
    1233 function get_catname( $cat_ID ) {
    1234         _deprecated_function( __FUNCTION__, '2.8.0', 'get_cat_name()' );
    1235         return get_cat_name( $cat_ID );
    1236 }
    1237 
    1238 /**
    1239  * Retrieve category children list separated before and after the term IDs.
    1240  *
    1241  * @since 1.2.0
    1242  * @deprecated 2.8.0 Use get_term_children()
    1243  * @see get_term_children()
    1244  *
    1245  * @param int $id Category ID to retrieve children.
    1246  * @param string $before Optional. Prepend before category term ID.
    1247  * @param string $after Optional, default is empty string. Append after category term ID.
    1248  * @param array $visited Optional. Category Term IDs that have already been added.
    1249  * @return string
    1250  */
    1251 function get_category_children( $id, $before = '/', $after = '', $visited = array() ) {
    1252         _deprecated_function( __FUNCTION__, '2.8.0', 'get_term_children()' );
    1253         if ( 0 == $id )
    1254                 return '';
    1255 
    1256         $chain = '';
    1257         /** TODO: consult hierarchy */
    1258         $cat_ids = get_all_category_ids();
    1259         foreach ( (array) $cat_ids as $cat_id ) {
    1260                 if ( $cat_id == $id )
    1261                         continue;
    1262 
    1263                 $category = get_category( $cat_id );
    1264                 if ( is_wp_error( $category ) )
    1265                         return $category;
    1266                 if ( $category->parent == $id && !in_array( $category->term_id, $visited ) ) {
    1267                         $visited[] = $category->term_id;
    1268                         $chain .= $before.$category->term_id.$after;
    1269                         $chain .= get_category_children( $category->term_id, $before, $after );
    1270                 }
    1271         }
    1272         return $chain;
    1273 }
    1274 
    1275 /**
    1276  * Retrieves all category IDs.
    1277  *
    1278  * @since 2.0.0
    1279  * @deprecated 4.0.0 Use get_terms()
    1280  * @see get_terms()
    1281  *
    1282  * @link https://codex.wordpress.org/Function_Reference/get_all_category_ids
    1283  *
    1284  * @return object List of all of the category IDs.
    1285  */
    1286 function get_all_category_ids() {
    1287         _deprecated_function( __FUNCTION__, '4.0.0', 'get_terms()' );
    1288 
    1289         if ( ! $cat_ids = wp_cache_get( 'all_category_ids', 'category' ) ) {
    1290                 $cat_ids = get_terms( 'category', array('fields' => 'ids', 'get' => 'all') );
    1291                 wp_cache_add( 'all_category_ids', $cat_ids, 'category' );
    1292         }
    1293 
    1294         return $cat_ids;
    1295 }
    1296 
    1297 /**
    1298  * Retrieve the description of the author of the current post.
    1299  *
    1300  * @since 1.5.0
    1301  * @deprecated 2.8.0 Use get_the_author_meta()
    1302  * @see get_the_author_meta()
    1303  *
    1304  * @return string The author's description.
    1305  */
    1306 function get_the_author_description() {
    1307         _deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'description\')' );
    1308         return get_the_author_meta('description');
    1309 }
    1310 
    1311 /**
    1312  * Display the description of the author of the current post.
    1313  *
    1314  * @since 1.0.0
    1315  * @deprecated 2.8.0 Use the_author_meta()
    1316  * @see the_author_meta()
    1317  */
    1318 function the_author_description() {
    1319         _deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'description\')' );
    1320         the_author_meta('description');
    1321 }
    1322 
    1323 /**
    1324  * Retrieve the login name of the author of the current post.
    1325  *
    1326  * @since 1.5.0
    1327  * @deprecated 2.8.0 Use get_the_author_meta()
    1328  * @see get_the_author_meta()
    1329  *
    1330  * @return string The author's login name (username).
    1331  */
    1332 function get_the_author_login() {
    1333         _deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'login\')' );
    1334         return get_the_author_meta('login');
    1335 }
    1336 
    1337 /**
    1338  * Display the login name of the author of the current post.
    1339  *
    1340  * @since 0.71
    1341  * @deprecated 2.8.0 Use the_author_meta()
    1342  * @see the_author_meta()
    1343  */
    1344 function the_author_login() {
    1345         _deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'login\')' );
    1346         the_author_meta('login');
    1347 }
    1348 
    1349 /**
    1350  * Retrieve the first name of the author of the current post.
    1351  *
    1352  * @since 1.5.0
    1353  * @deprecated 2.8.0 Use get_the_author_meta()
    1354  * @see get_the_author_meta()
    1355  *
    1356  * @return string The author's first name.
    1357  */
    1358 function get_the_author_firstname() {
    1359         _deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'first_name\')' );
    1360         return get_the_author_meta('first_name');
    1361 }
    1362 
    1363 /**
    1364  * Display the first name of the author of the current post.
    1365  *
    1366  * @since 0.71
    1367  * @deprecated 2.8.0 Use the_author_meta()
    1368  * @see the_author_meta()
    1369  */
    1370 function the_author_firstname() {
    1371         _deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'first_name\')' );
    1372         the_author_meta('first_name');
    1373 }
    1374 
    1375 /**
    1376  * Retrieve the last name of the author of the current post.
    1377  *
    1378  * @since 1.5.0
    1379  * @deprecated 2.8.0 Use get_the_author_meta()
    1380  * @see get_the_author_meta()
    1381  *
    1382  * @return string The author's last name.
    1383  */
    1384 function get_the_author_lastname() {
    1385         _deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'last_name\')' );
    1386         return get_the_author_meta('last_name');
    1387 }
    1388 
    1389 /**
    1390  * Display the last name of the author of the current post.
    1391  *
    1392  * @since 0.71
    1393  * @deprecated 2.8.0 Use the_author_meta()
    1394  * @see the_author_meta()
    1395  */
    1396 function the_author_lastname() {
    1397         _deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'last_name\')' );
    1398         the_author_meta('last_name');
    1399 }
    1400 
    1401 /**
    1402  * Retrieve the nickname of the author of the current post.
    1403  *
    1404  * @since 1.5.0
    1405  * @deprecated 2.8.0 Use get_the_author_meta()
    1406  * @see get_the_author_meta()
    1407  *
    1408  * @return string The author's nickname.
    1409  */
    1410 function get_the_author_nickname() {
    1411         _deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'nickname\')' );
    1412         return get_the_author_meta('nickname');
    1413 }
    1414 
    1415 /**
    1416  * Display the nickname of the author of the current post.
    1417  *
    1418  * @since 0.71
    1419  * @deprecated 2.8.0 Use the_author_meta()
    1420  * @see the_author_meta()
    1421  */
    1422 function the_author_nickname() {
    1423         _deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'nickname\')' );
    1424         the_author_meta('nickname');
    1425 }
    1426 
    1427 /**
    1428  * Retrieve the email of the author of the current post.
    1429  *
    1430  * @since 1.5.0
    1431  * @deprecated 2.8.0 Use get_the_author_meta()
    1432  * @see get_the_author_meta()
    1433  *
    1434  * @return string The author's username.
    1435  */
    1436 function get_the_author_email() {
    1437         _deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'email\')' );
    1438         return get_the_author_meta('email');
    1439 }
    1440 
    1441 /**
    1442  * Display the email of the author of the current post.
    1443  *
    1444  * @since 0.71
    1445  * @deprecated 2.8.0 Use the_author_meta()
    1446  * @see the_author_meta()
    1447  */
    1448 function the_author_email() {
    1449         _deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'email\')' );
    1450         the_author_meta('email');
    1451 }
    1452 
    1453 /**
    1454  * Retrieve the ICQ number of the author of the current post.
    1455  *
    1456  * @since 1.5.0
    1457  * @deprecated 2.8.0 Use get_the_author_meta()
    1458  * @see get_the_author_meta()
    1459  *
    1460  * @return string The author's ICQ number.
    1461  */
    1462 function get_the_author_icq() {
    1463         _deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'icq\')' );
    1464         return get_the_author_meta('icq');
    1465 }
    1466 
    1467 /**
    1468  * Display the ICQ number of the author of the current post.
    1469  *
    1470  * @since 0.71
    1471  * @deprecated 2.8.0 Use the_author_meta()
    1472  * @see the_author_meta()
    1473  */
    1474 function the_author_icq() {
    1475         _deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'icq\')' );
    1476         the_author_meta('icq');
    1477 }
    1478 
    1479 /**
    1480  * Retrieve the Yahoo! IM name of the author of the current post.
    1481  *
    1482  * @since 1.5.0
    1483  * @deprecated 2.8.0 Use get_the_author_meta()
    1484  * @see get_the_author_meta()
    1485  *
    1486  * @return string The author's Yahoo! IM name.
    1487  */
    1488 function get_the_author_yim() {
    1489         _deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'yim\')' );
    1490         return get_the_author_meta('yim');
    1491 }
    1492 
    1493 /**
    1494  * Display the Yahoo! IM name of the author of the current post.
    1495  *
    1496  * @since 0.71
    1497  * @deprecated 2.8.0 Use the_author_meta()
    1498  * @see the_author_meta()
    1499  */
    1500 function the_author_yim() {
    1501         _deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'yim\')' );
    1502         the_author_meta('yim');
    1503 }
    1504 
    1505 /**
    1506  * Retrieve the MSN address of the author of the current post.
    1507  *
    1508  * @since 1.5.0
    1509  * @deprecated 2.8.0 Use get_the_author_meta()
    1510  * @see get_the_author_meta()
    1511  *
    1512  * @return string The author's MSN address.
    1513  */
    1514 function get_the_author_msn() {
    1515         _deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'msn\')' );
    1516         return get_the_author_meta('msn');
    1517 }
    1518 
    1519 /**
    1520  * Display the MSN address of the author of the current post.
    1521  *
    1522  * @since 0.71
    1523  * @deprecated 2.8.0 Use the_author_meta()
    1524  * @see the_author_meta()
    1525  */
    1526 function the_author_msn() {
    1527         _deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'msn\')' );
    1528         the_author_meta('msn');
    1529 }
    1530 
    1531 /**
    1532  * Retrieve the AIM address of the author of the current post.
    1533  *
    1534  * @since 1.5.0
    1535  * @deprecated 2.8.0 Use get_the_author_meta()
    1536  * @see get_the_author_meta()
    1537  *
    1538  * @return string The author's AIM address.
    1539  */
    1540 function get_the_author_aim() {
    1541         _deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'aim\')' );
    1542         return get_the_author_meta('aim');
    1543 }
    1544 
    1545 /**
    1546  * Display the AIM address of the author of the current post.
    1547  *
    1548  * @since 0.71
    1549  * @deprecated 2.8.0 Use the_author_meta('aim')
    1550  * @see the_author_meta()
    1551  */
    1552 function the_author_aim() {
    1553         _deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'aim\')' );
    1554         the_author_meta('aim');
    1555 }
    1556 
    1557 /**
    1558  * Retrieve the specified author's preferred display name.
    1559  *
    1560  * @since 1.0.0
    1561  * @deprecated 2.8.0 Use get_the_author_meta()
    1562  * @see get_the_author_meta()
    1563  *
    1564  * @param int $auth_id The ID of the author.
    1565  * @return string The author's display name.
    1566  */
    1567 function get_author_name( $auth_id = false ) {
    1568         _deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'display_name\')' );
    1569         return get_the_author_meta('display_name', $auth_id);
    1570 }
    1571 
    1572 /**
    1573  * Retrieve the URL to the home page of the author of the current post.
    1574  *
    1575  * @since 1.5.0
    1576  * @deprecated 2.8.0 Use get_the_author_meta()
    1577  * @see get_the_author_meta()
    1578  *
    1579  * @return string The URL to the author's page.
    1580  */
    1581 function get_the_author_url() {
    1582         _deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'url\')' );
    1583         return get_the_author_meta('url');
    1584 }
    1585 
    1586 /**
    1587  * Display the URL to the home page of the author of the current post.
    1588  *
    1589  * @since 0.71
    1590  * @deprecated 2.8.0 Use the_author_meta()
    1591  * @see the_author_meta()
    1592  */
    1593 function the_author_url() {
    1594         _deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'url\')' );
    1595         the_author_meta('url');
    1596 }
    1597 
    1598 /**
    1599  * Retrieve the ID of the author of the current post.
    1600  *
    1601  * @since 1.5.0
    1602  * @deprecated 2.8.0 Use get_the_author_meta()
    1603  * @see get_the_author_meta()
    1604  *
    1605  * @return string|int The author's ID.
    1606  */
    1607 function get_the_author_ID() {
    1608         _deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'ID\')' );
    1609         return get_the_author_meta('ID');
    1610 }
    1611 
    1612 /**
    1613  * Display the ID of the author of the current post.
    1614  *
    1615  * @since 0.71
    1616  * @deprecated 2.8.0 Use the_author_meta()
    1617  * @see the_author_meta()
    1618  */
    1619 function the_author_ID() {
    1620         _deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'ID\')' );
    1621         the_author_meta('ID');
    1622 }
    1623 
    1624 /**
    1625  * Display the post content for the feed.
    1626  *
    1627  * For encoding the html or the $encode_html parameter, there are three possible
    1628  * values. '0' will make urls footnotes and use make_url_footnote(). '1' will
    1629  * encode special characters and automatically display all of the content. The
    1630  * value of '2' will strip all HTML tags from the content.
    1631  *
    1632  * Also note that you cannot set the amount of words and not set the html
    1633  * encoding. If that is the case, then the html encoding will default to 2,
    1634  * which will strip all HTML tags.
    1635  *
    1636  * To restrict the amount of words of the content, you can use the cut
    1637  * parameter. If the content is less than the amount, then there won't be any
    1638  * dots added to the end. If there is content left over, then dots will be added
    1639  * and the rest of the content will be removed.
    1640  *
    1641  * @since 0.71
    1642  *
    1643  * @deprecated 2.9.0 Use the_content_feed()
    1644  * @see the_content_feed()
    1645  *
    1646  * @param string $more_link_text Optional. Text to display when more content is available but not displayed.
    1647  * @param int $stripteaser Optional. Default is 0.
    1648  * @param string $more_file Optional.
    1649  * @param int $cut Optional. Amount of words to keep for the content.
    1650  * @param int $encode_html Optional. How to encode the content.
    1651  */
    1652 function the_content_rss($more_link_text='(more...)', $stripteaser=0, $more_file='', $cut = 0, $encode_html = 0) {
    1653         _deprecated_function( __FUNCTION__, '2.9.0', 'the_content_feed()' );
    1654         $content = get_the_content($more_link_text, $stripteaser);
    1655 
    1656         /**
    1657          * Filters the post content in the context of an RSS feed.
    1658          *
    1659          * @since 0.71
    1660          *
    1661          * @param string $content Content of the current post.
    1662          */
    1663         $content = apply_filters('the_content_rss', $content);
    1664         if ( $cut && !$encode_html )
    1665                 $encode_html = 2;
    1666         if ( 1== $encode_html ) {
    1667                 $content = esc_html($content);
    1668                 $cut = 0;
    1669         } elseif ( 0 == $encode_html ) {
    1670                 $content = make_url_footnote($content);
    1671         } elseif ( 2 == $encode_html ) {
    1672                 $content = strip_tags($content);
    1673         }
    1674         if ( $cut ) {
    1675                 $blah = explode(' ', $content);
    1676                 if ( count($blah) > $cut ) {
    1677                         $k = $cut;
    1678                         $use_dotdotdot = 1;
    1679                 } else {
    1680                         $k = count($blah);
    1681                         $use_dotdotdot = 0;
    1682                 }
    1683 
    1684                 /** @todo Check performance, might be faster to use array slice instead. */
    1685                 for ( $i=0; $i<$k; $i++ )
    1686                         $excerpt .= $blah[$i].' ';
    1687                 $excerpt .= ($use_dotdotdot) ? '...' : '';
    1688                 $content = $excerpt;
    1689         }
    1690         $content = str_replace(']]>', ']]&gt;', $content);
    1691         echo $content;
    1692 }
    1693 
    1694 /**
    1695  * Strip HTML and put links at the bottom of stripped content.
    1696  *
    1697  * Searches for all of the links, strips them out of the content, and places
    1698  * them at the bottom of the content with numbers.
    1699  *
    1700  * @since 0.71
    1701  * @deprecated 2.9.0
    1702  *
    1703  * @param string $content Content to get links
    1704  * @return string HTML stripped out of content with links at the bottom.
    1705  */
    1706 function make_url_footnote( $content ) {
    1707         _deprecated_function( __FUNCTION__, '2.9.0', '' );
    1708         preg_match_all( '/<a(.+?)href=\"(.+?)\"(.*?)>(.+?)<\/a>/', $content, $matches );
    1709         $links_summary = "\n";
    1710         for ( $i = 0, $c = count( $matches[0] ); $i < $c; $i++ ) {
    1711                 $link_match = $matches[0][$i];
    1712                 $link_number = '['.($i+1).']';
    1713                 $link_url = $matches[2][$i];
    1714                 $link_text = $matches[4][$i];
    1715                 $content = str_replace( $link_match, $link_text . ' ' . $link_number, $content );
    1716                 $link_url = ( ( strtolower( substr( $link_url, 0, 7 ) ) != 'http://' ) && ( strtolower( substr( $link_url, 0, 8 ) ) != 'https://' ) ) ? get_option( 'home' ) . $link_url : $link_url;
    1717                 $links_summary .= "\n" . $link_number . ' ' . $link_url;
    1718         }
    1719         $content  = strip_tags( $content );
    1720         $content .= $links_summary;
    1721         return $content;
    1722 }
    1723 
    1724 /**
    1725  * Retrieve translated string with vertical bar context
    1726  *
    1727  * Quite a few times, there will be collisions with similar translatable text
    1728  * found in more than two places but with different translated context.
    1729  *
    1730  * In order to use the separate contexts, the _c() function is used and the
    1731  * translatable string uses a pipe ('|') which has the context the string is in.
    1732  *
    1733  * When the translated string is returned, it is everything before the pipe, not
    1734  * including the pipe character. If there is no pipe in the translated text then
    1735  * everything is returned.
    1736  *
    1737  * @since 2.2.0
    1738  * @deprecated 2.9.0 Use _x()
    1739  * @see _x()
    1740  *
    1741  * @param string $text Text to translate
    1742  * @param string $domain Optional. Domain to retrieve the translated text
    1743  * @return string Translated context string without pipe
    1744  */
    1745 function _c( $text, $domain = 'default' ) {
    1746         _deprecated_function( __FUNCTION__, '2.9.0', '_x()' );
    1747         return before_last_bar( translate( $text, $domain ) );
    1748 }
    1749 
    1750 /**
    1751  * Translates $text like translate(), but assumes that the text
    1752  * contains a context after its last vertical bar.
    1753  *
    1754  * @since 2.5.0
    1755  * @deprecated 3.0.0 Use _x()
    1756  * @see _x()
    1757  *
    1758  * @param string $text Text to translate
    1759  * @param string $domain Domain to retrieve the translated text
    1760  * @return string Translated text
    1761  */
    1762 function translate_with_context( $text, $domain = 'default' ) {
    1763         _deprecated_function( __FUNCTION__, '2.9.0', '_x()' );
    1764         return before_last_bar( translate( $text, $domain ) );
    1765 }
    1766 
    1767 /**
    1768  * Legacy version of _n(), which supports contexts.
    1769  *
    1770  * Strips everything from the translation after the last bar.
    1771  *
    1772  * @since 2.7.0
    1773  * @deprecated 3.0.0 Use _nx()
    1774  * @see _nx()
    1775  *
    1776  * @param string $single The text to be used if the number is singular.
    1777  * @param string $plural The text to be used if the number is plural.
    1778  * @param int    $number The number to compare against to use either the singular or plural form.
    1779  * @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings.
    1780  *                       Default 'default'.
    1781  * @return string The translated singular or plural form.
    1782  */
    1783 function _nc( $single, $plural, $number, $domain = 'default' ) {
    1784         _deprecated_function( __FUNCTION__, '2.9.0', '_nx()' );
    1785         return before_last_bar( _n( $single, $plural, $number, $domain ) );
    1786 }
    1787 
    1788 /**
    1789  * Retrieve the plural or single form based on the amount.
    1790  *
    1791  * @since 1.2.0
    1792  * @deprecated 2.8.0 Use _n()
    1793  * @see _n()
    1794  */
    1795 function __ngettext() {
    1796         _deprecated_function( __FUNCTION__, '2.8.0', '_n()' );
    1797         $args = func_get_args();
    1798         return call_user_func_array('_n', $args);
    1799 }
    1800 
    1801 /**
    1802  * Register plural strings in POT file, but don't translate them.
    1803  *
    1804  * @since 2.5.0
    1805  * @deprecated 2.8.0 Use _n_noop()
    1806  * @see _n_noop()
    1807  */
    1808 function __ngettext_noop() {
    1809         _deprecated_function( __FUNCTION__, '2.8.0', '_n_noop()' );
    1810         $args = func_get_args();
    1811         return call_user_func_array('_n_noop', $args);
    1812 
    1813 }
    1814 
    1815 /**
    1816  * Retrieve all autoload options, or all options if no autoloaded ones exist.
    1817  *
    1818  * @since 1.0.0
    1819  * @deprecated 3.0.0 Use wp_load_alloptions())
    1820  * @see wp_load_alloptions()
    1821  *
    1822  * @return array List of all options.
    1823  */
    1824 function get_alloptions() {
    1825         _deprecated_function( __FUNCTION__, '3.0.0', 'wp_load_alloptions()' );
    1826         return wp_load_alloptions();
    1827 }
    1828 
    1829 /**
    1830  * Retrieve HTML content of attachment image with link.
    1831  *
    1832  * @since 2.0.0
    1833  * @deprecated 2.5.0 Use wp_get_attachment_link()
    1834  * @see wp_get_attachment_link()
    1835  *
    1836  * @param int $id Optional. Post ID.
    1837  * @param bool $fullsize Optional, default is false. Whether to use full size image.
    1838  * @param array $max_dims Optional. Max image dimensions.
    1839  * @param bool $permalink Optional, default is false. Whether to include permalink to image.
    1840  * @return string
    1841  */
    1842 function get_the_attachment_link($id = 0, $fullsize = false, $max_dims = false, $permalink = false) {
    1843         _deprecated_function( __FUNCTION__, '2.5.0', 'wp_get_attachment_link()' );
    1844         $id = (int) $id;
    1845         $_post = get_post($id);
    1846 
    1847         if ( ('attachment' != $_post->post_type) || !$url = wp_get_attachment_url($_post->ID) )
    1848                 return __('Missing Attachment');
    1849 
    1850         if ( $permalink )
    1851                 $url = get_attachment_link($_post->ID);
    1852 
    1853         $post_title = esc_attr($_post->post_title);
    1854 
    1855         $innerHTML = get_attachment_innerHTML($_post->ID, $fullsize, $max_dims);
    1856         return "<a href='$url' title='$post_title'>$innerHTML</a>";
    1857 }
    1858 
    1859 /**
    1860  * Retrieve icon URL and Path.
    1861  *
    1862  * @since 2.1.0
    1863  * @deprecated 2.5.0 Use wp_get_attachment_image_src()
    1864  * @see wp_get_attachment_image_src()
    1865  *
    1866  * @param int $id Optional. Post ID.
    1867  * @param bool $fullsize Optional, default to false. Whether to have full image.
    1868  * @return array Icon URL and full path to file, respectively.
    1869  */
    1870 function get_attachment_icon_src( $id = 0, $fullsize = false ) {
    1871         _deprecated_function( __FUNCTION__, '2.5.0', 'wp_get_attachment_image_src()' );
    1872         $id = (int) $id;
    1873         if ( !$post = get_post($id) )
    1874                 return false;
    1875 
    1876         $file = get_attached_file( $post->ID );
    1877 
    1878         if ( !$fullsize && $src = wp_get_attachment_thumb_url( $post->ID ) ) {
    1879                 // We have a thumbnail desired, specified and existing
    1880 
    1881                 $src_file = basename($src);
    1882         } elseif ( wp_attachment_is_image( $post->ID ) ) {
    1883                 // We have an image without a thumbnail
    1884 
    1885                 $src = wp_get_attachment_url( $post->ID );
    1886                 $src_file = & $file;
    1887         } elseif ( $src = wp_mime_type_icon( $post->ID ) ) {
    1888                 // No thumb, no image. We'll look for a mime-related icon instead.
    1889 
    1890                 $icon_dir = apply_filters( 'icon_dir', get_template_directory() . '/images' );
    1891                 $src_file = $icon_dir . '/' . basename($src);
    1892         }
    1893 
    1894         if ( !isset($src) || !$src )
    1895                 return false;
    1896 
    1897         return array($src, $src_file);
    1898 }
    1899 
    1900 /**
    1901  * Retrieve HTML content of icon attachment image element.
    1902  *
    1903  * @since 2.0.0
    1904  * @deprecated 2.5.0 Use wp_get_attachment_image()
    1905  * @see wp_get_attachment_image()
    1906  *
    1907  * @param int $id Optional. Post ID.
    1908  * @param bool $fullsize Optional, default to false. Whether to have full size image.
    1909  * @param array $max_dims Optional. Dimensions of image.
    1910  * @return false|string HTML content.
    1911  */
    1912 function get_attachment_icon( $id = 0, $fullsize = false, $max_dims = false ) {
    1913         _deprecated_function( __FUNCTION__, '2.5.0', 'wp_get_attachment_image()' );
    1914         $id = (int) $id;
    1915         if ( !$post = get_post($id) )
    1916                 return false;
    1917 
    1918         if ( !$src = get_attachment_icon_src( $post->ID, $fullsize ) )
    1919                 return false;
    1920 
    1921         list($src, $src_file) = $src;
    1922 
    1923         // Do we need to constrain the image?
    1924         if ( ($max_dims = apply_filters('attachment_max_dims', $max_dims)) && file_exists($src_file) ) {
    1925 
    1926                 $imagesize = getimagesize($src_file);
    1927 
    1928                 if (($imagesize[0] > $max_dims[0]) || $imagesize[1] > $max_dims[1] ) {
    1929                         $actual_aspect = $imagesize[0] / $imagesize[1];
    1930                         $desired_aspect = $max_dims[0] / $max_dims[1];
    1931 
    1932                         if ( $actual_aspect >= $desired_aspect ) {
    1933                                 $height = $actual_aspect * $max_dims[0];
    1934                                 $constraint = "width='{$max_dims[0]}' ";
    1935                                 $post->iconsize = array($max_dims[0], $height);
    1936                         } else {
    1937                                 $width = $max_dims[1] / $actual_aspect;
    1938                                 $constraint = "height='{$max_dims[1]}' ";
    1939                                 $post->iconsize = array($width, $max_dims[1]);
    1940                         }
    1941                 } else {
    1942                         $post->iconsize = array($imagesize[0], $imagesize[1]);
    1943                         $constraint = '';
    1944                 }
    1945         } else {
    1946                 $constraint = '';
    1947         }
    1948 
    1949         $post_title = esc_attr($post->post_title);
    1950 
    1951         $icon = "<img src='$src' title='$post_title' alt='$post_title' $constraint/>";
    1952 
    1953         return apply_filters( 'attachment_icon', $icon, $post->ID );
    1954 }
    1955 
    1956 /**
    1957  * Retrieve HTML content of image element.
    1958  *
    1959  * @since 2.0.0
    1960  * @deprecated 2.5.0 Use wp_get_attachment_image()
    1961  * @see wp_get_attachment_image()
    1962  *
    1963  * @param int $id Optional. Post ID.
    1964  * @param bool $fullsize Optional, default to false. Whether to have full size image.
    1965  * @param array $max_dims Optional. Dimensions of image.
    1966  * @return false|string
    1967  */
    1968 function get_attachment_innerHTML($id = 0, $fullsize = false, $max_dims = false) {
    1969         _deprecated_function( __FUNCTION__, '2.5.0', 'wp_get_attachment_image()' );
    1970         $id = (int) $id;
    1971         if ( !$post = get_post($id) )
    1972                 return false;
    1973 
    1974         if ( $innerHTML = get_attachment_icon($post->ID, $fullsize, $max_dims))
    1975                 return $innerHTML;
    1976 
    1977         $innerHTML = esc_attr($post->post_title);
    1978 
    1979         return apply_filters('attachment_innerHTML', $innerHTML, $post->ID);
    1980 }
    1981 
    1982 /**
    1983  * Retrieves bookmark data based on ID.
    1984  *
    1985  * @since 2.0.0
    1986  * @deprecated 2.1.0 Use get_bookmark()
    1987  * @see get_bookmark()
    1988  *
    1989  * @param int    $bookmark_id ID of link
    1990  * @param string $output      Optional. Type of output. Accepts OBJECT, ARRAY_N, or ARRAY_A.
    1991  *                            Default OBJECT.
    1992  * @param string $filter      Optional. How to filter the link for output. Accepts 'raw', 'edit',
    1993  *                            'attribute', 'js', 'db', or 'display'. Default 'raw'.
    1994  * @return object|array Bookmark object or array, depending on the type specified by `$output`.
    1995  */
    1996 function get_link( $bookmark_id, $output = OBJECT, $filter = 'raw' ) {
    1997         _deprecated_function( __FUNCTION__, '2.1.0', 'get_bookmark()' );
    1998         return get_bookmark($bookmark_id, $output, $filter);
    1999 }
    2000 
    2001 /**
    2002  * Performs esc_url() for database or redirect usage.
    2003  *
    2004  * @since 2.3.1
    2005  * @deprecated 2.8.0 Use esc_url_raw()
    2006  * @see esc_url_raw()
    2007  *
    2008  * @param string $url The URL to be cleaned.
    2009  * @param array $protocols An array of acceptable protocols.
    2010  * @return string The cleaned URL.
    2011  */
    2012 function sanitize_url( $url, $protocols = null ) {
    2013         _deprecated_function( __FUNCTION__, '2.8.0', 'esc_url_raw()' );
    2014         return esc_url_raw( $url, $protocols );
    2015 }
    2016 
    2017 /**
    2018  * Checks and cleans a URL.
    2019  *
    2020  * A number of characters are removed from the URL. If the URL is for displaying
    2021  * (the default behaviour) ampersands are also replaced. The 'clean_url' filter
    2022  * is applied to the returned cleaned URL.
    2023  *
    2024  * @since 1.2.0
    2025  * @deprecated 3.0.0 Use esc_url()
    2026  * @see esc_url()
    2027  *
    2028  * @param string $url The URL to be cleaned.
    2029  * @param array $protocols Optional. An array of acceptable protocols.
    2030  * @param string $context Optional. How the URL will be used. Default is 'display'.
    2031  * @return string The cleaned $url after the {@see 'clean_url'} filter is applied.
    2032  */
    2033 function clean_url( $url, $protocols = null, $context = 'display' ) {
    2034         if ( $context == 'db' )
    2035                 _deprecated_function( 'clean_url( $context = \'db\' )', '3.0.0', 'esc_url_raw()' );
    2036         else
    2037                 _deprecated_function( __FUNCTION__, '3.0.0', 'esc_url()' );
    2038         return esc_url( $url, $protocols, $context );
    2039 }
    2040 
    2041 /**
    2042  * Escape single quotes, specialchar double quotes, and fix line endings.
    2043  *
    2044  * The filter {@see 'js_escape'} is also applied by esc_js().
    2045  *
    2046  * @since 2.0.4
    2047  * @deprecated 2.8.0 Use esc_js()
    2048  * @see esc_js()
    2049  *
    2050  * @param string $text The text to be escaped.
    2051  * @return string Escaped text.
    2052  */
    2053 function js_escape( $text ) {
    2054         _deprecated_function( __FUNCTION__, '2.8.0', 'esc_js()' );
    2055         return esc_js( $text );
    2056 }
    2057 
    2058 /**
    2059  * Legacy escaping for HTML blocks.
    2060  *
    2061  * @deprecated 2.8.0 Use esc_html()
    2062  * @see esc_html()
    2063  *
    2064  * @param string       $string        String to escape.
    2065  * @param string       $quote_style   Unused.
    2066  * @param false|string $charset       Unused.
    2067  * @param false        $double_encode Whether to double encode. Unused.
    2068  * @return string Escaped `$string`.
    2069  */
    2070 function wp_specialchars( $string, $quote_style = ENT_NOQUOTES, $charset = false, $double_encode = false ) {
    2071         _deprecated_function( __FUNCTION__, '2.8.0', 'esc_html()' );
    2072         if ( func_num_args() > 1 ) { // Maintain back-compat for people passing additional arguments.
    2073                 $args = func_get_args();
    2074                 return call_user_func_array( '_wp_specialchars', $args );
    2075         } else {
    2076                 return esc_html( $string );
    2077         }
    2078 }
    2079 
    2080 /**
    2081  * Escaping for HTML attributes.
    2082  *
    2083  * @since 2.0.6
    2084  * @deprecated 2.8.0 Use esc_attr()
    2085  * @see esc_attr()
    2086  *
    2087  * @param string $text
    2088  * @return string
    2089  */
    2090 function attribute_escape( $text ) {
    2091         _deprecated_function( __FUNCTION__, '2.8.0', 'esc_attr()' );
    2092         return esc_attr( $text );
    2093 }
    2094 
    2095 /**
    2096  * Register widget for sidebar with backward compatibility.
    2097  *
    2098  * Allows $name to be an array that accepts either three elements to grab the
    2099  * first element and the third for the name or just uses the first element of
    2100  * the array for the name.
    2101  *
    2102  * Passes to wp_register_sidebar_widget() after argument list and backward
    2103  * compatibility is complete.
    2104  *
    2105  * @since 2.2.0
    2106  * @deprecated 2.8.0 Use wp_register_sidebar_widget()
    2107  * @see wp_register_sidebar_widget()
    2108  *
    2109  * @param string|int $name            Widget ID.
    2110  * @param callable   $output_callback Run when widget is called.
    2111  * @param string     $classname       Optional. Classname widget option. Default empty.
    2112  * @param mixed      $params ,...     Widget parameters.
    2113  */
    2114 function register_sidebar_widget($name, $output_callback, $classname = '') {
    2115         _deprecated_function( __FUNCTION__, '2.8.0', 'wp_register_sidebar_widget()' );
    2116         // Compat
    2117         if ( is_array($name) ) {
    2118                 if ( count($name) == 3 )
    2119                         $name = sprintf($name[0], $name[2]);
    2120                 else
    2121                         $name = $name[0];
    2122         }
    2123 
    2124         $id = sanitize_title($name);
    2125         $options = array();
    2126         if ( !empty($classname) && is_string($classname) )
    2127                 $options['classname'] = $classname;
    2128         $params = array_slice(func_get_args(), 2);
    2129         $args = array($id, $name, $output_callback, $options);
    2130         if ( !empty($params) )
    2131                 $args = array_merge($args, $params);
    2132 
    2133         call_user_func_array('wp_register_sidebar_widget', $args);
    2134 }
    2135 
    2136 /**
    2137  * Serves as an alias of wp_unregister_sidebar_widget().
    2138  *
    2139  * @since 2.2.0
    2140  * @deprecated 2.8.0 Use wp_unregister_sidebar_widget()
    2141  * @see wp_unregister_sidebar_widget()
    2142  *
    2143  * @param int|string $id Widget ID.
    2144  */
    2145 function unregister_sidebar_widget($id) {
    2146         _deprecated_function( __FUNCTION__, '2.8.0', 'wp_unregister_sidebar_widget()' );
    2147         return wp_unregister_sidebar_widget($id);
    2148 }
    2149 
    2150 /**
    2151  * Registers widget control callback for customizing options.
    2152  *
    2153  * Allows $name to be an array that accepts either three elements to grab the
    2154  * first element and the third for the name or just uses the first element of
    2155  * the array for the name.
    2156  *
    2157  * Passes to wp_register_widget_control() after the argument list has
    2158  * been compiled.
    2159  *
    2160  * @since 2.2.0
    2161  * @deprecated 2.8.0 Use wp_register_widget_control()
    2162  * @see wp_register_widget_control()
    2163  *
    2164  * @param int|string $name Sidebar ID.
    2165  * @param callable $control_callback Widget control callback to display and process form.
    2166  * @param int $width Widget width.
    2167  * @param int $height Widget height.
    2168  */
    2169 function register_widget_control($name, $control_callback, $width = '', $height = '') {
    2170         _deprecated_function( __FUNCTION__, '2.8.0', 'wp_register_widget_control()' );
    2171         // Compat
    2172         if ( is_array($name) ) {
    2173                 if ( count($name) == 3 )
    2174                         $name = sprintf($name[0], $name[2]);
    2175                 else
    2176                         $name = $name[0];
    2177         }
    2178 
    2179         $id = sanitize_title($name);
    2180         $options = array();
    2181         if ( !empty($width) )
    2182                 $options['width'] = $width;
    2183         if ( !empty($height) )
    2184                 $options['height'] = $height;
    2185         $params = array_slice(func_get_args(), 4);
    2186         $args = array($id, $name, $control_callback, $options);
    2187         if ( !empty($params) )
    2188                 $args = array_merge($args, $params);
    2189 
    2190         call_user_func_array('wp_register_widget_control', $args);
    2191 }
    2192 
    2193 /**
    2194  * Alias of wp_unregister_widget_control().
    2195  *
    2196  * @since 2.2.0
    2197  * @deprecated 2.8.0 Use wp_unregister_widget_control()
    2198  * @see wp_unregister_widget_control()
    2199  *
    2200  * @param int|string $id Widget ID.
    2201  */
    2202 function unregister_widget_control($id) {
    2203         _deprecated_function( __FUNCTION__, '2.8.0', 'wp_unregister_widget_control()' );
    2204         return wp_unregister_widget_control($id);
    2205 }
    2206 
    2207 /**
    2208  * Remove user meta data.
    2209  *
    2210  * @since 2.0.0
    2211  * @deprecated 3.0.0 Use delete_user_meta()
    2212  * @see delete_user_meta()
    2213  *
    2214  * @param int $user_id User ID.
    2215  * @param string $meta_key Metadata key.
    2216  * @param mixed $meta_value Metadata value.
    2217  * @return bool True deletion completed and false if user_id is not a number.
    2218  */
    2219 function delete_usermeta( $user_id, $meta_key, $meta_value = '' ) {
    2220         _deprecated_function( __FUNCTION__, '3.0.0', 'delete_user_meta()' );
    2221         global $wpdb;
    2222         if ( !is_numeric( $user_id ) )
    2223                 return false;
    2224         $meta_key = preg_replace('|[^a-z0-9_]|i', '', $meta_key);
    2225 
    2226         if ( is_array($meta_value) || is_object($meta_value) )
    2227                 $meta_value = serialize($meta_value);
    2228         $meta_value = trim( $meta_value );
    2229 
    2230         $cur = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s", $user_id, $meta_key) );
    2231 
    2232         if ( $cur && $cur->umeta_id )
    2233                 do_action( 'delete_usermeta', $cur->umeta_id, $user_id, $meta_key, $meta_value );
    2234 
    2235         if ( ! empty($meta_value) )
    2236                 $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s AND meta_value = %s", $user_id, $meta_key, $meta_value) );
    2237         else
    2238                 $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s", $user_id, $meta_key) );
    2239 
    2240         clean_user_cache( $user_id );
    2241         wp_cache_delete( $user_id, 'user_meta' );
    2242 
    2243         if ( $cur && $cur->umeta_id )
    2244                 do_action( 'deleted_usermeta', $cur->umeta_id, $user_id, $meta_key, $meta_value );
    2245 
    2246         return true;
    2247 }
    2248 
    2249 /**
    2250  * Retrieve user metadata.
    2251  *
    2252  * If $user_id is not a number, then the function will fail over with a 'false'
    2253  * boolean return value. Other returned values depend on whether there is only
    2254  * one item to be returned, which be that single item type. If there is more
    2255  * than one metadata value, then it will be list of metadata values.
    2256  *
    2257  * @since 2.0.0
    2258  * @deprecated 3.0.0 Use get_user_meta()
    2259  * @see get_user_meta()
    2260  *
    2261  * @param int $user_id User ID
    2262  * @param string $meta_key Optional. Metadata key.
    2263  * @return mixed
    2264  */
    2265 function get_usermeta( $user_id, $meta_key = '' ) {
    2266         _deprecated_function( __FUNCTION__, '3.0.0', 'get_user_meta()' );
    2267         global $wpdb;
    2268         $user_id = (int) $user_id;
    2269 
    2270         if ( !$user_id )
    2271                 return false;
    2272 
    2273         if ( !empty($meta_key) ) {
    2274                 $meta_key = preg_replace('|[^a-z0-9_]|i', '', $meta_key);
    2275                 $user = wp_cache_get($user_id, 'users');
    2276                 // Check the cached user object
    2277                 if ( false !== $user && isset($user->$meta_key) )
    2278                         $metas = array($user->$meta_key);
    2279                 else
    2280                         $metas = $wpdb->get_col( $wpdb->prepare("SELECT meta_value FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s", $user_id, $meta_key) );
    2281         } else {
    2282                 $metas = $wpdb->get_col( $wpdb->prepare("SELECT meta_value FROM $wpdb->usermeta WHERE user_id = %d", $user_id) );
    2283         }
    2284 
    2285         if ( empty($metas) ) {
    2286                 if ( empty($meta_key) )
    2287                         return array();
    2288                 else
    2289                         return '';
    2290         }
    2291 
    2292         $metas = array_map('maybe_unserialize', $metas);
    2293 
    2294         if ( count($metas) == 1 )
    2295                 return $metas[0];
    2296         else
    2297                 return $metas;
    2298 }
    2299 
    2300 /**
    2301  * Update metadata of user.
    2302  *
    2303  * There is no need to serialize values, they will be serialized if it is
    2304  * needed. The metadata key can only be a string with underscores. All else will
    2305  * be removed.
    2306  *
    2307  * Will remove the metadata, if the meta value is empty.
    2308  *
    2309  * @since 2.0.0
    2310  * @deprecated 3.0.0 Use update_user_meta()
    2311  * @see update_user_meta()
    2312  *
    2313  * @param int $user_id User ID
    2314  * @param string $meta_key Metadata key.
    2315  * @param mixed $meta_value Metadata value.
    2316  * @return bool True on successful update, false on failure.
    2317  */
    2318 function update_usermeta( $user_id, $meta_key, $meta_value ) {
    2319         _deprecated_function( __FUNCTION__, '3.0.0', 'update_user_meta()' );
    2320         global $wpdb;
    2321         if ( !is_numeric( $user_id ) )
    2322                 return false;
    2323         $meta_key = preg_replace('|[^a-z0-9_]|i', '', $meta_key);
    2324 
    2325         /** @todo Might need fix because usermeta data is assumed to be already escaped */
    2326         if ( is_string($meta_value) )
    2327                 $meta_value = stripslashes($meta_value);
    2328         $meta_value = maybe_serialize($meta_value);
    2329 
    2330         if (empty($meta_value)) {
    2331                 return delete_usermeta($user_id, $meta_key);
    2332         }
    2333 
    2334         $cur = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s", $user_id, $meta_key) );
    2335 
    2336         if ( $cur )
    2337                 do_action( 'update_usermeta', $cur->umeta_id, $user_id, $meta_key, $meta_value );
    2338 
    2339         if ( !$cur )
    2340                 $wpdb->insert($wpdb->usermeta, compact('user_id', 'meta_key', 'meta_value') );
    2341         elseif ( $cur->meta_value != $meta_value )
    2342                 $wpdb->update($wpdb->usermeta, compact('meta_value'), compact('user_id', 'meta_key') );
    2343         else
    2344                 return false;
    2345 
    2346         clean_user_cache( $user_id );
    2347         wp_cache_delete( $user_id, 'user_meta' );
    2348 
    2349         if ( !$cur )
    2350                 do_action( 'added_usermeta', $wpdb->insert_id, $user_id, $meta_key, $meta_value );
    2351         else
    2352                 do_action( 'updated_usermeta', $cur->umeta_id, $user_id, $meta_key, $meta_value );
    2353 
    2354         return true;
    2355 }
    2356 
    2357 /**
    2358  * Get users for the site.
    2359  *
    2360  * For setups that use the multisite feature. Can be used outside of the
    2361  * multisite feature.
    2362  *
    2363  * @since 2.2.0
    2364  * @deprecated 3.1.0 Use get_users()
    2365  * @see get_users()
    2366  *
    2367  * @global wpdb $wpdb    WordPress database abstraction object.
    2368  *
    2369  * @param int $id Site ID.
    2370  * @return array List of users that are part of that site ID
    2371  */
    2372 function get_users_of_blog( $id = '' ) {
    2373         _deprecated_function( __FUNCTION__, '3.1.0', 'get_users()' );
    2374 
    2375         global $wpdb;
    2376         if ( empty( $id ) ) {
    2377                 $id = get_current_blog_id();
    2378         }
    2379         $blog_prefix = $wpdb->get_blog_prefix($id);
    2380         $users = $wpdb->get_results( "SELECT user_id, user_id AS ID, user_login, display_name, user_email, meta_value FROM $wpdb->users, $wpdb->usermeta WHERE {$wpdb->users}.ID = {$wpdb->usermeta}.user_id AND meta_key = '{$blog_prefix}capabilities' ORDER BY {$wpdb->usermeta}.user_id" );
    2381         return $users;
    2382 }
    2383 
    2384 /**
    2385  * Enable/disable automatic general feed link outputting.
    2386  *
    2387  * @since 2.8.0
    2388  * @deprecated 3.0.0 Use add_theme_support()
    2389  * @see add_theme_support()
    2390  *
    2391  * @param bool $add Optional, default is true. Add or remove links. Defaults to true.
    2392  */
    2393 function automatic_feed_links( $add = true ) {
    2394         _deprecated_function( __FUNCTION__, '3.0.0', "add_theme_support( 'automatic-feed-links' )" );
    2395 
    2396         if ( $add )
    2397                 add_theme_support( 'automatic-feed-links' );
    2398         else
    2399                 remove_action( 'wp_head', 'feed_links_extra', 3 ); // Just do this yourself in 3.0+
    2400 }
    2401 
    2402 /**
    2403  * Retrieve user data based on field.
    2404  *
    2405  * @since 1.5.0
    2406  * @deprecated 3.0.0 Use get_the_author_meta()
    2407  * @see get_the_author_meta()
    2408  *
    2409  * @param string    $field User meta field.
    2410  * @param false|int $user Optional. User ID to retrieve the field for. Default false (current user).
    2411  * @return string The author's field from the current author's DB object.
    2412  */
    2413 function get_profile( $field, $user = false ) {
    2414         _deprecated_function( __FUNCTION__, '3.0.0', 'get_the_author_meta()' );
    2415         if ( $user ) {
    2416                 $user = get_user_by( 'login', $user );
    2417                 $user = $user->ID;
    2418         }
    2419         return get_the_author_meta( $field, $user );
    2420 }
    2421 
    2422 /**
    2423  * Retrieves the number of posts a user has written.
    2424  *
    2425  * @since 0.71
    2426  * @deprecated 3.0.0 Use count_user_posts()
    2427  * @see count_user_posts()
    2428  *
    2429  * @param int $userid User to count posts for.
    2430  * @return int Number of posts the given user has written.
    2431  */
    2432 function get_usernumposts( $userid ) {
    2433         _deprecated_function( __FUNCTION__, '3.0.0', 'count_user_posts()' );
    2434         return count_user_posts( $userid );
    2435 }
    2436 
    2437 /**
    2438  * Callback used to change %uXXXX to &#YYY; syntax
    2439  *
    2440  * @since 2.8.0
    2441  * @access private
    2442  * @deprecated 3.0.0
    2443  *
    2444  * @param array $matches Single Match
    2445  * @return string An HTML entity
    2446  */
    2447 function funky_javascript_callback($matches) {
    2448         return "&#".base_convert($matches[1],16,10).";";
    2449 }
    2450 
    2451 /**
    2452  * Fixes JavaScript bugs in browsers.
    2453  *
    2454  * Converts unicode characters to HTML numbered entities.
    2455  *
    2456  * @since 1.5.0
    2457  * @deprecated 3.0.0
    2458  *
    2459  * @global $is_macIE
    2460  * @global $is_winIE
    2461  *
    2462  * @param string $text Text to be made safe.
    2463  * @return string Fixed text.
    2464  */
    2465 function funky_javascript_fix($text) {
    2466         _deprecated_function( __FUNCTION__, '3.0.0' );
    2467         // Fixes for browsers' JavaScript bugs.
    2468         global $is_macIE, $is_winIE;
    2469 
    2470         if ( $is_winIE || $is_macIE )
    2471                 $text =  preg_replace_callback("/\%u([0-9A-F]{4,4})/",
    2472                                         "funky_javascript_callback",
    2473                                         $text);
    2474 
    2475         return $text;
    2476 }
    2477 
    2478 /**
    2479  * Checks that the taxonomy name exists.
    2480  *
    2481  * @since 2.3.0
    2482  * @deprecated 3.0.0 Use taxonomy_exists()
    2483  * @see taxonomy_exists()
    2484  *
    2485  * @param string $taxonomy Name of taxonomy object
    2486  * @return bool Whether the taxonomy exists.
    2487  */
    2488 function is_taxonomy( $taxonomy ) {
    2489         _deprecated_function( __FUNCTION__, '3.0.0', 'taxonomy_exists()' );
    2490         return taxonomy_exists( $taxonomy );
    2491 }
    2492 
    2493 /**
    2494  * Check if Term exists.
    2495  *
    2496  * @since 2.3.0
    2497  * @deprecated 3.0.0 Use term_exists()
    2498  * @see term_exists()
    2499  *
    2500  * @param int|string $term The term to check
    2501  * @param string $taxonomy The taxonomy name to use
    2502  * @param int $parent ID of parent term under which to confine the exists search.
    2503  * @return mixed Get the term id or Term Object, if exists.
    2504  */
    2505 function is_term( $term, $taxonomy = '', $parent = 0 ) {
    2506         _deprecated_function( __FUNCTION__, '3.0.0', 'term_exists()' );
    2507         return term_exists( $term, $taxonomy, $parent );
    2508 }
    2509 
    2510 /**
    2511  * Is the current admin page generated by a plugin?
    2512  *
    2513  * Use global $plugin_page and/or get_plugin_page_hookname() hooks.
    2514  *
    2515  * @since 1.5.0
    2516  * @deprecated 3.1.0
    2517  *
    2518  * @global $plugin_page
    2519  *
    2520  * @return bool
    2521  */
    2522 function is_plugin_page() {
    2523         _deprecated_function( __FUNCTION__, '3.1.0'  );
    2524 
    2525         global $plugin_page;
    2526 
    2527         if ( isset($plugin_page) )
    2528                 return true;
    2529 
    2530         return false;
    2531 }
    2532 
    2533 /**
    2534  * Update the categories cache.
    2535  *
    2536  * This function does not appear to be used anymore or does not appear to be
    2537  * needed. It might be a legacy function left over from when there was a need
    2538  * for updating the category cache.
    2539  *
    2540  * @since 1.5.0
    2541  * @deprecated 3.1.0
    2542  *
    2543  * @return bool Always return True
    2544  */
    2545 function update_category_cache() {
    2546         _deprecated_function( __FUNCTION__, '3.1.0'  );
    2547 
    2548         return true;
    2549 }
    2550 
    2551 /**
    2552  * Check for PHP timezone support
    2553  *
    2554  * @since 2.9.0
    2555  * @deprecated 3.2.0
    2556  *
    2557  * @return bool
    2558  */
    2559 function wp_timezone_supported() {
    2560         _deprecated_function( __FUNCTION__, '3.2.0' );
    2561 
    2562         return true;
    2563 }
    2564 
    2565 /**
    2566  * Displays an editor: TinyMCE, HTML, or both.
    2567  *
    2568  * @since 2.1.0
    2569  * @deprecated 3.3.0 Use wp_editor()
    2570  * @see wp_editor()
    2571  *
    2572  * @param string $content       Textarea content.
    2573  * @param string $id            Optional. HTML ID attribute value. Default 'content'.
    2574  * @param string $prev_id       Optional. Unused.
    2575  * @param bool   $media_buttons Optional. Whether to display media buttons. Default true.
    2576  * @param int    $tab_index     Optional. Unused.
    2577  * @param bool   $extended      Optional. Unused.
    2578  */
    2579 function the_editor($content, $id = 'content', $prev_id = 'title', $media_buttons = true, $tab_index = 2, $extended = true) {
    2580         _deprecated_function( __FUNCTION__, '3.3.0', 'wp_editor()' );
    2581 
    2582         wp_editor( $content, $id, array( 'media_buttons' => $media_buttons ) );
    2583 }
    2584 
    2585 /**
    2586  * Perform the query to get the $metavalues array(s) needed by _fill_user and _fill_many_users
    2587  *
    2588  * @since 3.0.0
    2589  * @deprecated 3.3.0
    2590  *
    2591  * @param array $ids User ID numbers list.
    2592  * @return array of arrays. The array is indexed by user_id, containing $metavalues object arrays.
    2593  */
    2594 function get_user_metavalues($ids) {
    2595         _deprecated_function( __FUNCTION__, '3.3.0' );
    2596 
    2597         $objects = array();
    2598 
    2599         $ids = array_map('intval', $ids);
    2600         foreach ( $ids as $id )
    2601                 $objects[$id] = array();
    2602 
    2603         $metas = update_meta_cache('user', $ids);
    2604 
    2605         foreach ( $metas as $id => $meta ) {
    2606                 foreach ( $meta as $key => $metavalues ) {
    2607                         foreach ( $metavalues as $value ) {
    2608                                 $objects[$id][] = (object)array( 'user_id' => $id, 'meta_key' => $key, 'meta_value' => $value);
    2609                         }
    2610                 }
    2611         }
    2612 
    2613         return $objects;
    2614 }
    2615 
    2616 /**
    2617  * Sanitize every user field.
    2618  *
    2619  * If the context is 'raw', then the user object or array will get minimal santization of the int fields.
    2620  *
    2621  * @since 2.3.0
    2622  * @deprecated 3.3.0
    2623  *
    2624  * @param object|array $user The User Object or Array
    2625  * @param string $context Optional, default is 'display'. How to sanitize user fields.
    2626  * @return object|array The now sanitized User Object or Array (will be the same type as $user)
    2627  */
    2628 function sanitize_user_object($user, $context = 'display') {
    2629         _deprecated_function( __FUNCTION__, '3.3.0' );
    2630 
    2631         if ( is_object($user) ) {
    2632                 if ( !isset($user->ID) )
    2633                         $user->ID = 0;
    2634                 if ( ! ( $user instanceof WP_User ) ) {
    2635                         $vars = get_object_vars($user);
    2636                         foreach ( array_keys($vars) as $field ) {
    2637                                 if ( is_string($user->$field) || is_numeric($user->$field) )
    2638                                         $user->$field = sanitize_user_field($field, $user->$field, $user->ID, $context);
    2639                         }
    2640                 }
    2641                 $user->filter = $context;
    2642         } else {
    2643                 if ( !isset($user['ID']) )
    2644                         $user['ID'] = 0;
    2645                 foreach ( array_keys($user) as $field )
    2646                         $user[$field] = sanitize_user_field($field, $user[$field], $user['ID'], $context);
    2647                 $user['filter'] = $context;
    2648         }
    2649 
    2650         return $user;
    2651 }
    2652 
    2653 /**
    2654  * Get boundary post relational link.
    2655  *
    2656  * Can either be start or end post relational link.
    2657  *
    2658  * @since 2.8.0
    2659  * @deprecated 3.3.0
    2660  *
    2661  * @param string $title Optional. Link title format.
    2662  * @param bool $in_same_cat Optional. Whether link should be in a same category.
    2663  * @param string $excluded_categories Optional. Excluded categories IDs.
    2664  * @param bool $start Optional, default is true. Whether to display link to first or last post.
    2665  * @return string
    2666  */
    2667 function get_boundary_post_rel_link($title = '%title', $in_same_cat = false, $excluded_categories = '', $start = true) {
    2668         _deprecated_function( __FUNCTION__, '3.3.0' );
    2669 
    2670         $posts = get_boundary_post($in_same_cat, $excluded_categories, $start);
    2671         // If there is no post stop.
    2672         if ( empty($posts) )
    2673                 return;
    2674 
    2675         // Even though we limited get_posts to return only 1 item it still returns an array of objects.
    2676         $post = $posts[0];
    2677 
    2678         if ( empty($post->post_title) )
    2679                 $post->post_title = $start ? __('First Post') : __('Last Post');
    2680 
    2681         $date = mysql2date(get_option('date_format'), $post->post_date);
    2682 
    2683         $title = str_replace('%title', $post->post_title, $title);
    2684         $title = str_replace('%date', $date, $title);
    2685         $title = apply_filters('the_title', $title, $post->ID);
    2686 
    2687         $link = $start ? "<link rel='start' title='" : "<link rel='end' title='";
    2688         $link .= esc_attr($title);
    2689         $link .= "' href='" . get_permalink($post) . "' />\n";
    2690 
    2691         $boundary = $start ? 'start' : 'end';
    2692         return apply_filters( "{$boundary}_post_rel_link", $link );
    2693 }
    2694 
    2695 /**
    2696  * Display relational link for the first post.
    2697  *
    2698  * @since 2.8.0
    2699  * @deprecated 3.3.0
    2700  *
    2701  * @param string $title Optional. Link title format.
    2702  * @param bool $in_same_cat Optional. Whether link should be in a same category.
    2703  * @param string $excluded_categories Optional. Excluded categories IDs.
    2704  */
    2705 function start_post_rel_link($title = '%title', $in_same_cat = false, $excluded_categories = '') {
    2706         _deprecated_function( __FUNCTION__, '3.3.0' );
    2707 
    2708         echo get_boundary_post_rel_link($title, $in_same_cat, $excluded_categories, true);
    2709 }
    2710 
    2711 /**
    2712  * Get site index relational link.
    2713  *
    2714  * @since 2.8.0
    2715  * @deprecated 3.3.0
    2716  *
    2717  * @return string
    2718  */
    2719 function get_index_rel_link() {
    2720         _deprecated_function( __FUNCTION__, '3.3.0' );
    2721 
    2722         $link = "<link rel='index' title='" . esc_attr( get_bloginfo( 'name', 'display' ) ) . "' href='" . esc_url( user_trailingslashit( get_bloginfo( 'url', 'display' ) ) ) . "' />\n";
    2723         return apply_filters( "index_rel_link", $link );
    2724 }
    2725 
    2726 /**
    2727  * Display relational link for the site index.
    2728  *
    2729  * @since 2.8.0
    2730  * @deprecated 3.3.0
    2731  */
    2732 function index_rel_link() {
    2733         _deprecated_function( __FUNCTION__, '3.3.0' );
    2734 
    2735         echo get_index_rel_link();
    2736 }
    2737 
    2738 /**
    2739  * Get parent post relational link.
    2740  *
    2741  * @since 2.8.0
    2742  * @deprecated 3.3.0
    2743  *
    2744  * @param string $title Optional. Link title format. Default '%title'.
    2745  * @return string
    2746  */
    2747 function get_parent_post_rel_link( $title = '%title' ) {
    2748         _deprecated_function( __FUNCTION__, '3.3.0' );
    2749 
    2750         if ( ! empty( $GLOBALS['post'] ) && ! empty( $GLOBALS['post']->post_parent ) )
    2751                 $post = get_post($GLOBALS['post']->post_parent);
    2752 
    2753         if ( empty($post) )
    2754                 return;
    2755 
    2756         $date = mysql2date(get_option('date_format'), $post->post_date);
    2757 
    2758         $title = str_replace('%title', $post->post_title, $title);
    2759         $title = str_replace('%date', $date, $title);
    2760         $title = apply_filters('the_title', $title, $post->ID);
    2761 
    2762         $link = "<link rel='up' title='";
    2763         $link .= esc_attr( $title );
    2764         $link .= "' href='" . get_permalink($post) . "' />\n";
    2765 
    2766         return apply_filters( "parent_post_rel_link", $link );
    2767 }
    2768 
    2769 /**
    2770  * Display relational link for parent item
    2771  *
    2772  * @since 2.8.0
    2773  * @deprecated 3.3.0
    2774  *
    2775  * @param string $title Optional. Link title format. Default '%title'.
    2776  */
    2777 function parent_post_rel_link( $title = '%title' ) {
    2778         _deprecated_function( __FUNCTION__, '3.3.0' );
    2779 
    2780         echo get_parent_post_rel_link($title);
    2781 }
    2782 
    2783 /**
    2784  * Add the "Dashboard"/"Visit Site" menu.
    2785  *
    2786  * @since 3.2.0
    2787  * @deprecated 3.3.0
    2788  *
    2789  * @param WP_Admin_Bar $wp_admin_bar WP_Admin_Bar instance.
    2790  */
    2791 function wp_admin_bar_dashboard_view_site_menu( $wp_admin_bar ) {
    2792         _deprecated_function( __FUNCTION__, '3.3.0' );
    2793 
    2794         $user_id = get_current_user_id();
    2795 
    2796         if ( 0 != $user_id ) {
    2797                 if ( is_admin() )
    2798                         $wp_admin_bar->add_menu( array( 'id' => 'view-site', 'title' => __( 'Visit Site' ), 'href' => home_url() ) );
    2799                 elseif ( is_multisite() )
    2800                         $wp_admin_bar->add_menu( array( 'id' => 'dashboard', 'title' => __( 'Dashboard' ), 'href' => get_dashboard_url( $user_id ) ) );
    2801                 else
    2802                         $wp_admin_bar->add_menu( array( 'id' => 'dashboard', 'title' => __( 'Dashboard' ), 'href' => admin_url() ) );
    2803         }
    2804 }
    2805 
    2806 /**
    2807  * Checks if the current user belong to a given site.
    2808  *
    2809  * @since MU (3.0.0)
    2810  * @deprecated 3.3.0 Use is_user_member_of_blog()
    2811  * @see is_user_member_of_blog()
    2812  *
    2813  * @param int $blog_id Site ID
    2814  * @return bool True if the current users belong to $blog_id, false if not.
    2815  */
    2816 function is_blog_user( $blog_id = 0 ) {
    2817         _deprecated_function( __FUNCTION__, '3.3.0', 'is_user_member_of_blog()' );
    2818 
    2819         return is_user_member_of_blog( get_current_user_id(), $blog_id );
    2820 }
    2821 
    2822 /**
    2823  * Open the file handle for debugging.
    2824  *
    2825  * @since 0.71
    2826  * @deprecated 3.4.0 Use error_log()
    2827  * @see error_log()
    2828  *
    2829  * @link https://secure.php.net/manual/en/function.error-log.php
    2830  *
    2831  * @param string $filename File name.
    2832  * @param string $mode     Type of access you required to the stream.
    2833  * @return false Always false.
    2834  */
    2835 function debug_fopen( $filename, $mode ) {
    2836         _deprecated_function( __FUNCTION__, '3.4.0', 'error_log()' );
    2837         return false;
    2838 }
    2839 
    2840 /**
    2841  * Write contents to the file used for debugging.
    2842  *
    2843  * @since 0.71
    2844  * @deprecated 3.4.0 Use error_log()
    2845  * @see error_log()
    2846  *
    2847  * @link https://secure.php.net/manual/en/function.error-log.php
    2848  *
    2849  * @param mixed  $fp     Unused.
    2850  * @param string $string Message to log.
    2851  */
    2852 function debug_fwrite( $fp, $string ) {
    2853         _deprecated_function( __FUNCTION__, '3.4.0', 'error_log()' );
    2854         if ( ! empty( $GLOBALS['debug'] ) )
    2855                 error_log( $string );
    2856 }
    2857 
    2858 /**
    2859  * Close the debugging file handle.
    2860  *
    2861  * @since 0.71
    2862  * @deprecated 3.4.0 Use error_log()
    2863  * @see error_log()
    2864  *
    2865  * @link https://secure.php.net/manual/en/function.error-log.php
    2866  *
    2867  * @param mixed $fp Unused.
    2868  */
    2869 function debug_fclose( $fp ) {
    2870         _deprecated_function( __FUNCTION__, '3.4.0', 'error_log()' );
    2871 }
    2872 
    2873 /**
    2874  * Retrieve list of themes with theme data in theme directory.
    2875  *
    2876  * The theme is broken, if it doesn't have a parent theme and is missing either
    2877  * style.css and, or index.php. If the theme has a parent theme then it is
    2878  * broken, if it is missing style.css; index.php is optional.
    2879  *
    2880  * @since 1.5.0
    2881  * @deprecated 3.4.0 Use wp_get_themes()
    2882  * @see wp_get_themes()
    2883  *
    2884  * @return array Theme list with theme data.
    2885  */
    2886 function get_themes() {
    2887         _deprecated_function( __FUNCTION__, '3.4.0', 'wp_get_themes()' );
    2888 
    2889         global $wp_themes;
    2890         if ( isset( $wp_themes ) )
    2891                 return $wp_themes;
    2892 
    2893         $themes = wp_get_themes();
    2894         $wp_themes = array();
    2895 
    2896         foreach ( $themes as $theme ) {
    2897                 $name = $theme->get('Name');
    2898                 if ( isset( $wp_themes[ $name ] ) )
    2899                         $wp_themes[ $name . '/' . $theme->get_stylesheet() ] = $theme;
    2900                 else
    2901                         $wp_themes[ $name ] = $theme;
    2902         }
    2903 
    2904         return $wp_themes;
    2905 }
    2906 
    2907 /**
    2908  * Retrieve theme data.
    2909  *
    2910  * @since 1.5.0
    2911  * @deprecated 3.4.0 Use wp_get_theme()
    2912  * @see wp_get_theme()
    2913  *
    2914  * @param string $theme Theme name.
    2915  * @return array|null Null, if theme name does not exist. Theme data, if exists.
    2916  */
    2917 function get_theme( $theme ) {
    2918         _deprecated_function( __FUNCTION__, '3.4.0', 'wp_get_theme( $stylesheet )' );
    2919 
    2920         $themes = get_themes();
    2921         if ( is_array( $themes ) && array_key_exists( $theme, $themes ) )
    2922                 return $themes[ $theme ];
    2923         return null;
    2924 }
    2925 
    2926 /**
    2927  * Retrieve current theme name.
    2928  *
    2929  * @since 1.5.0
    2930  * @deprecated 3.4.0 Use wp_get_theme()
    2931  * @see wp_get_theme()
    2932  *
    2933  * @return string
    2934  */
    2935 function get_current_theme() {
    2936         _deprecated_function( __FUNCTION__, '3.4.0', 'wp_get_theme()' );
    2937 
    2938         if ( $theme = get_option( 'current_theme' ) )
    2939                 return $theme;
    2940 
    2941         return wp_get_theme()->get('Name');
    2942 }
    2943 
    2944 /**
    2945  * Accepts matches array from preg_replace_callback in wpautop() or a string.
    2946  *
    2947  * Ensures that the contents of a `<pre>...</pre>` HTML block are not
    2948  * converted into paragraphs or line-breaks.
    2949  *
    2950  * @since 1.2.0
    2951  * @deprecated 3.4.0
    2952  *
    2953  * @param array|string $matches The array or string
    2954  * @return string The pre block without paragraph/line-break conversion.
    2955  */
    2956 function clean_pre($matches) {
    2957         _deprecated_function( __FUNCTION__, '3.4.0' );
    2958 
    2959         if ( is_array($matches) )
    2960                 $text = $matches[1] . $matches[2] . "</pre>";
    2961         else
    2962                 $text = $matches;
    2963 
    2964         $text = str_replace(array('<br />', '<br/>', '<br>'), array('', '', ''), $text);
    2965         $text = str_replace('<p>', "\n", $text);
    2966         $text = str_replace('</p>', '', $text);
    2967 
    2968         return $text;
    2969 }
    2970 
    2971 
    2972 /**
    2973  * Add callbacks for image header display.
    2974  *
    2975  * @since 2.1.0
    2976  * @deprecated 3.4.0 Use add_theme_support()
    2977  * @see add_theme_support()
    2978  *
    2979  * @param callable $wp_head_callback Call on the {@see 'wp_head'} action.
    2980  * @param callable $admin_head_callback Call on custom header administration screen.
    2981  * @param callable $admin_preview_callback Output a custom header image div on the custom header administration screen. Optional.
    2982  */
    2983 function add_custom_image_header( $wp_head_callback, $admin_head_callback, $admin_preview_callback = '' ) {
    2984         _deprecated_function( __FUNCTION__, '3.4.0', 'add_theme_support( \'custom-header\', $args )' );
    2985         $args = array(
    2986                 'wp-head-callback'    => $wp_head_callback,
    2987                 'admin-head-callback' => $admin_head_callback,
    2988         );
    2989         if ( $admin_preview_callback )
    2990                 $args['admin-preview-callback'] = $admin_preview_callback;
    2991         return add_theme_support( 'custom-header', $args );
    2992 }
    2993 
    2994 /**
    2995  * Remove image header support.
    2996  *
    2997  * @since 3.1.0
    2998  * @deprecated 3.4.0 Use remove_theme_support()
    2999  * @see remove_theme_support()
    3000  *
    3001  * @return null|bool Whether support was removed.
    3002  */
    3003 function remove_custom_image_header() {
    3004         _deprecated_function( __FUNCTION__, '3.4.0', 'remove_theme_support( \'custom-header\' )' );
    3005         return remove_theme_support( 'custom-header' );
    3006 }
    3007 
    3008 /**
    3009  * Add callbacks for background image display.
    3010  *
    3011  * @since 3.0.0
    3012  * @deprecated 3.4.0 Use add_theme_support()
    3013  * @see add_theme_support()
    3014  *
    3015  * @param callable $wp_head_callback Call on the {@see 'wp_head'} action.
    3016  * @param callable $admin_head_callback Call on custom background administration screen.
    3017  * @param callable $admin_preview_callback Output a custom background image div on the custom background administration screen. Optional.
    3018  */
    3019 function add_custom_background( $wp_head_callback = '', $admin_head_callback = '', $admin_preview_callback = '' ) {
    3020         _deprecated_function( __FUNCTION__, '3.4.0', 'add_theme_support( \'custom-background\', $args )' );
    3021         $args = array();
    3022         if ( $wp_head_callback )
    3023                 $args['wp-head-callback'] = $wp_head_callback;
    3024         if ( $admin_head_callback )
    3025                 $args['admin-head-callback'] = $admin_head_callback;
    3026         if ( $admin_preview_callback )
    3027                 $args['admin-preview-callback'] = $admin_preview_callback;
    3028         return add_theme_support( 'custom-background', $args );
    3029 }
    3030 
    3031 /**
    3032  * Remove custom background support.
    3033  *
    3034  * @since 3.1.0
    3035  * @deprecated 3.4.0 Use add_custom_background()
    3036  * @see add_custom_background()
    3037  *
    3038  * @return null|bool Whether support was removed.
    3039  */
    3040 function remove_custom_background() {
    3041         _deprecated_function( __FUNCTION__, '3.4.0', 'remove_theme_support( \'custom-background\' )' );
    3042         return remove_theme_support( 'custom-background' );
    3043 }
    3044 
    3045 /**
    3046  * Retrieve theme data from parsed theme file.
    3047  *
    3048  * @since 1.5.0
    3049  * @deprecated 3.4.0 Use wp_get_theme()
    3050  * @see wp_get_theme()
    3051  *
    3052  * @param string $theme_file Theme file path.
    3053  * @return array Theme data.
    3054  */
    3055 function get_theme_data( $theme_file ) {
    3056         _deprecated_function( __FUNCTION__, '3.4.0', 'wp_get_theme()' );
    3057         $theme = new WP_Theme( basename( dirname( $theme_file ) ), dirname( dirname( $theme_file ) ) );
    3058 
    3059         $theme_data = array(
    3060                 'Name' => $theme->get('Name'),
    3061                 'URI' => $theme->display('ThemeURI', true, false),
    3062                 'Description' => $theme->display('Description', true, false),
    3063                 'Author' => $theme->display('Author', true, false),
    3064                 'AuthorURI' => $theme->display('AuthorURI', true, false),
    3065                 'Version' => $theme->get('Version'),
    3066                 'Template' => $theme->get('Template'),
    3067                 'Status' => $theme->get('Status'),
    3068                 'Tags' => $theme->get('Tags'),
    3069                 'Title' => $theme->get('Name'),
    3070                 'AuthorName' => $theme->get('Author'),
    3071         );
    3072 
    3073         foreach ( apply_filters( 'extra_theme_headers', array() ) as $extra_header ) {
    3074                 if ( ! isset( $theme_data[ $extra_header ] ) )
    3075                         $theme_data[ $extra_header ] = $theme->get( $extra_header );
    3076         }
    3077 
    3078         return $theme_data;
    3079 }
    3080 
    3081 /**
    3082  * Alias of update_post_cache().
    3083  *
    3084  * @see update_post_cache() Posts and pages are the same, alias is intentional
    3085  *
    3086  * @since 1.5.1
    3087  * @deprecated 3.4.0 Use update_post_cache()
    3088  * @see update_post_cache()
    3089  *
    3090  * @param array $pages list of page objects
    3091  */
    3092 function update_page_cache( &$pages ) {
    3093         _deprecated_function( __FUNCTION__, '3.4.0', 'update_post_cache()' );
    3094 
    3095         update_post_cache( $pages );
    3096 }
    3097 
    3098 /**
    3099  * Will clean the page in the cache.
    3100  *
    3101  * Clean (read: delete) page from cache that matches $id. Will also clean cache
    3102  * associated with 'all_page_ids' and 'get_pages'.
     16 * Retrieves all category IDs.
    310317 *
    310418 * @since 2.0.0
    3105  * @deprecated 3.4.0 Use clean_post_cache
    3106  * @see clean_post_cache()
    3107  *
    3108  * @param int $id Page ID to clean
    3109  */
    3110 function clean_page_cache( $id ) {
    3111         _deprecated_function( __FUNCTION__, '3.4.0', 'clean_post_cache()' );
    3112 
    3113         clean_post_cache( $id );
    3114 }
    3115 
    3116 /**
    3117  * Retrieve nonce action "Are you sure" message.
    3118  *
    3119  * Deprecated in 3.4.1 and 3.5.0. Backported to 3.3.3.
    3120  *
    3121  * @since 2.0.4
    3122  * @deprecated 3.4.1 Use wp_nonce_ays()
    3123  * @see wp_nonce_ays()
    3124  *
    3125  * @param string $action Nonce action.
    3126  * @return string Are you sure message.
    3127  */
    3128 function wp_explain_nonce( $action ) {
    3129         _deprecated_function( __FUNCTION__, '3.4.1', 'wp_nonce_ays()' );
    3130         return __( 'Are you sure you want to do this?' );
    3131 }
    3132 
    3133 /**
    3134  * Display "sticky" CSS class, if a post is sticky.
    3135  *
    3136  * @since 2.7.0
    3137  * @deprecated 3.5.0 Use post_class()
    3138  * @see post_class()
    3139  *
    3140  * @param int $post_id An optional post ID.
    3141  */
    3142 function sticky_class( $post_id = null ) {
    3143         _deprecated_function( __FUNCTION__, '3.5.0', 'post_class()' );
    3144         if ( is_sticky( $post_id ) )
    3145                 echo ' sticky';
    3146 }
    3147 
    3148 /**
    3149  * Retrieve post ancestors.
    3150  *
    3151  * This is no longer needed as WP_Post lazy-loads the ancestors
    3152  * property with get_post_ancestors().
    3153  *
    3154  * @since 2.3.4
    3155  * @deprecated 3.5.0 Use get_post_ancestors()
    3156  * @see get_post_ancestors()
    3157  *
    3158  * @param WP_Post $post Post object, passed by reference (unused).
    3159  */
    3160 function _get_post_ancestors( &$post ) {
    3161         _deprecated_function( __FUNCTION__, '3.5.0' );
    3162 }
    3163 
    3164 /**
    3165  * Load an image from a string, if PHP supports it.
     19 * @deprecated 4.0.0 Use get_terms()
     20 * @see get_terms()
    316621 *
    3167  * @since 2.1.0
    3168  * @deprecated 3.5.0 Use wp_get_image_editor()
    3169  * @see wp_get_image_editor()
     22 * @link https://codex.wordpress.org/Function_Reference/get_all_category_ids
    317023 *
    3171  * @param string $file Filename of the image to load.
    3172  * @return resource The resulting image resource on success, Error string on failure.
     24 * @return object List of all of the category IDs.
    317325 */
    3174 function wp_load_image( $file ) {
    3175         _deprecated_function( __FUNCTION__, '3.5.0', 'wp_get_image_editor()' );
    3176 
    3177         if ( is_numeric( $file ) )
    3178                 $file = get_attached_file( $file );
    3179 
    3180         if ( ! is_file( $file ) ) {
    3181                 /* translators: %s: file name */
    3182                 return sprintf( __( 'File &#8220;%s&#8221; doesn&#8217;t exist?' ), $file );
    3183         }
    3184 
    3185         if ( ! function_exists('imagecreatefromstring') )
    3186                 return __('The GD image library is not installed.');
    3187 
    3188         // Set artificially high because GD uses uncompressed images in memory.
    3189         wp_raise_memory_limit( 'image' );
    3190 
    3191         $image = imagecreatefromstring( file_get_contents( $file ) );
     26function get_all_category_ids() {
     27        _deprecated_function( __FUNCTION__, '4.0.0', 'get_terms()' );
    319228
    3193         if ( ! is_resource( $image ) ) {
    3194                 /* translators: %s: file name */
    3195                 return sprintf( __( 'File &#8220;%s&#8221; is not an image.' ), $file );
     29        if ( ! $cat_ids = wp_cache_get( 'all_category_ids', 'category' ) ) {
     30                $cat_ids = get_terms( 'category', array('fields' => 'ids', 'get' => 'all') );
     31                wp_cache_add( 'all_category_ids', $cat_ids, 'category' );
    319632        }
    319733
    3198         return $image;
    3199 }
    3200 
    3201 /**
    3202  * Scale down an image to fit a particular size and save a new copy of the image.
    3203  *
    3204  * The PNG transparency will be preserved using the function, as well as the
    3205  * image type. If the file going in is PNG, then the resized image is going to
    3206  * be PNG. The only supported image types are PNG, GIF, and JPEG.
    3207  *
    3208  * Some functionality requires API to exist, so some PHP version may lose out
    3209  * support. This is not the fault of WordPress (where functionality is
    3210  * downgraded, not actual defects), but of your PHP version.
    3211  *
    3212  * @since 2.5.0
    3213  * @deprecated 3.5.0 Use wp_get_image_editor()
    3214  * @see wp_get_image_editor()
    3215  *
    3216  * @param string $file Image file path.
    3217  * @param int $max_w Maximum width to resize to.
    3218  * @param int $max_h Maximum height to resize to.
    3219  * @param bool $crop Optional. Whether to crop image or resize.
    3220  * @param string $suffix Optional. File suffix.
    3221  * @param string $dest_path Optional. New image file path.
    3222  * @param int $jpeg_quality Optional, default is 90. Image quality percentage.
    3223  * @return mixed WP_Error on failure. String with new destination path.
    3224  */
    3225 function image_resize( $file, $max_w, $max_h, $crop = false, $suffix = null, $dest_path = null, $jpeg_quality = 90 ) {
    3226         _deprecated_function( __FUNCTION__, '3.5.0', 'wp_get_image_editor()' );
    3227 
    3228         $editor = wp_get_image_editor( $file );
    3229         if ( is_wp_error( $editor ) )
    3230                 return $editor;
    3231         $editor->set_quality( $jpeg_quality );
    3232 
    3233         $resized = $editor->resize( $max_w, $max_h, $crop );
    3234         if ( is_wp_error( $resized ) )
    3235                 return $resized;
    3236 
    3237         $dest_file = $editor->generate_filename( $suffix, $dest_path );
    3238         $saved = $editor->save( $dest_file );
    3239 
    3240         if ( is_wp_error( $saved ) )
    3241                 return $saved;
    3242 
    3243         return $dest_file;
    3244 }
    3245 
    3246 /**
    3247  * Retrieve a single post, based on post ID.
    3248  *
    3249  * Has categories in 'post_category' property or key. Has tags in 'tags_input'
    3250  * property or key.
    3251  *
    3252  * @since 1.0.0
    3253  * @deprecated 3.5.0 Use get_post()
    3254  * @see get_post()
    3255  *
    3256  * @param int $postid Post ID.
    3257  * @param string $mode How to return result, either OBJECT, ARRAY_N, or ARRAY_A.
    3258  * @return WP_Post|null Post object or array holding post contents and information
    3259  */
    3260 function wp_get_single_post( $postid = 0, $mode = OBJECT ) {
    3261         _deprecated_function( __FUNCTION__, '3.5.0', 'get_post()' );
    3262         return get_post( $postid, $mode );
    3263 }
    3264 
    3265 /**
    3266  * Check that the user login name and password is correct.
    3267  *
    3268  * @since 0.71
    3269  * @deprecated 3.5.0 Use wp_authenticate()
    3270  * @see wp_authenticate()
    3271  *
    3272  * @param string $user_login User name.
    3273  * @param string $user_pass User password.
    3274  * @return bool False if does not authenticate, true if username and password authenticates.
    3275  */
    3276 function user_pass_ok($user_login, $user_pass) {
    3277         _deprecated_function( __FUNCTION__, '3.5.0', 'wp_authenticate()' );
    3278         $user = wp_authenticate( $user_login, $user_pass );
    3279         if ( is_wp_error( $user ) )
    3280                 return false;
    3281 
    3282         return true;
    3283 }
    3284 
    3285 /**
    3286  * Callback formerly fired on the save_post hook. No longer needed.
    3287  *
    3288  * @since 2.3.0
    3289  * @deprecated 3.5.0
    3290  */
    3291 function _save_post_hook() {}
    3292 
    3293 /**
    3294  * Check if the installed version of GD supports particular image type
    3295  *
    3296  * @since 2.9.0
    3297  * @deprecated 3.5.0 Use wp_image_editor_supports()
    3298  * @see wp_image_editor_supports()
    3299  *
    3300  * @param string $mime_type
    3301  * @return bool
    3302  */
    3303 function gd_edit_image_support($mime_type) {
    3304         _deprecated_function( __FUNCTION__, '3.5.0', 'wp_image_editor_supports()' );
    3305 
    3306         if ( function_exists('imagetypes') ) {
    3307                 switch( $mime_type ) {
    3308                         case 'image/jpeg':
    3309                                 return (imagetypes() & IMG_JPG) != 0;
    3310                         case 'image/png':
    3311                                 return (imagetypes() & IMG_PNG) != 0;
    3312                         case 'image/gif':
    3313                                 return (imagetypes() & IMG_GIF) != 0;
    3314                 }
    3315         } else {
    3316                 switch( $mime_type ) {
    3317                         case 'image/jpeg':
    3318                                 return function_exists('imagecreatefromjpeg');
    3319                         case 'image/png':
    3320                                 return function_exists('imagecreatefrompng');
    3321                         case 'image/gif':
    3322                                 return function_exists('imagecreatefromgif');
    3323                 }
    3324         }
    3325         return false;
     34        return $cat_ids;
    332635}
    332736
    3328 /**
    3329  * Converts an integer byte value to a shorthand byte value.
    3330  *
    3331  * @since 2.3.0
    3332  * @deprecated 3.6.0 Use size_format()
    3333  * @see size_format()
    3334  *
    3335  * @param int $bytes An integer byte value.
    3336  * @return string A shorthand byte value.
    3337  */
    3338 function wp_convert_bytes_to_hr( $bytes ) {
    3339         _deprecated_function( __FUNCTION__, '3.6.0', 'size_format()' );
    3340 
    3341         $units = array( 0 => 'B', 1 => 'KB', 2 => 'MB', 3 => 'GB', 4 => 'TB' );
    3342         $log   = log( $bytes, KB_IN_BYTES );
    3343         $power = (int) $log;
    3344         $size  = pow( KB_IN_BYTES, $log - $power );
    3345 
    3346         if ( ! is_nan( $size ) && array_key_exists( $power, $units ) ) {
    3347                 $unit = $units[ $power ];
    3348         } else {
    3349                 $size = $bytes;
    3350                 $unit = $units[0];
    3351         }
    3352 
    3353         return $size . $unit;
    3354 }
    335537
    335638/**
    335739 * Formerly used internally to tidy up the search terms.