Make WordPress Core


Ignore:
Timestamp:
09/14/2015 03:09:37 AM (9 years ago)
Author:
wonderboymusic
Message:

Move Walker_Category and Walker_CategoryDropdown into their own files via svn cp. Remove them from category-template.php. Load them in category.php. svn cp category.php over to category-functions.php, which also loads now in category.php.

See #33413.

File:
1 edited

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Unmodified
Added
Removed
  • trunk/src/wp-includes/category.php

    r32568 r34110  
    66 */
    77
    8 /**
    9  * Retrieve list of category objects.
    10  *
    11  * If you change the type to 'link' in the arguments, then the link categories
    12  * will be returned instead. Also all categories will be updated to be backwards
    13  * compatible with pre-2.3 plugins and themes.
    14  *
    15  * @since 2.1.0
    16  * @see get_terms() Type of arguments that can be changed.
    17  * @link https://codex.wordpress.org/Function_Reference/get_categories
    18  *
    19  * @param string|array $args Optional. Change the defaults retrieving categories.
    20  * @return array List of categories.
    21  */
    22 function get_categories( $args = '' ) {
    23     $defaults = array( 'taxonomy' => 'category' );
    24     $args = wp_parse_args( $args, $defaults );
     8/** Core category functionality */
     9require_once( ABSPATH . WPINC . '/category-functions.php' );
    2510
    26     $taxonomy = $args['taxonomy'];
     11/** Walker_Category class */
     12require_once( ABSPATH . WPINC . '/class-walker-category.php' );
    2713
    28     /**
    29      * Filter the taxonomy used to retrieve terms when calling {@see get_categories()}.
    30      *
    31      * @since 2.7.0
    32      *
    33      * @param string $taxonomy Taxonomy to retrieve terms from.
    34      * @param array  $args     An array of arguments. See {@see get_terms()}.
    35      */
    36     $taxonomy = apply_filters( 'get_categories_taxonomy', $taxonomy, $args );
    37 
    38     // Back compat
    39     if ( isset($args['type']) && 'link' == $args['type'] ) {
    40         _deprecated_argument( __FUNCTION__, '3.0', '' );
    41         $taxonomy = $args['taxonomy'] = 'link_category';
    42     }
    43 
    44     $categories = (array) get_terms( $taxonomy, $args );
    45 
    46     foreach ( array_keys( $categories ) as $k )
    47         _make_cat_compat( $categories[$k] );
    48 
    49     return $categories;
    50 }
    51 
    52 /**
    53  * Retrieves category data given a category ID or category object.
    54  *
    55  * If you pass the $category parameter an object, which is assumed to be the
    56  * category row object retrieved the database. It will cache the category data.
    57  *
    58  * If you pass $category an integer of the category ID, then that category will
    59  * be retrieved from the database, if it isn't already cached, and pass it back.
    60  *
    61  * If you look at get_term(), then both types will be passed through several
    62  * filters and finally sanitized based on the $filter parameter value.
    63  *
    64  * The category will converted to maintain backwards compatibility.
    65  *
    66  * @since 1.5.1
    67  *
    68  * @param int|object $category Category ID or Category row object
    69  * @param string $output Optional. Constant OBJECT, ARRAY_A, or ARRAY_N
    70  * @param string $filter Optional. Default is raw or no WordPress defined filter will applied.
    71  * @return object|array|WP_Error|null Category data in type defined by $output parameter.
    72  *                                    WP_Error if $category is empty, null if it does not exist.
    73  */
    74 function get_category( $category, $output = OBJECT, $filter = 'raw' ) {
    75     $category = get_term( $category, 'category', $output, $filter );
    76 
    77     if ( is_wp_error( $category ) )
    78         return $category;
    79 
    80     _make_cat_compat( $category );
    81 
    82     return $category;
    83 }
    84 
    85 /**
    86  * Retrieve category based on URL containing the category slug.
    87  *
    88  * Breaks the $category_path parameter up to get the category slug.
    89  *
    90  * Tries to find the child path and will return it. If it doesn't find a
    91  * match, then it will return the first category matching slug, if $full_match,
    92  * is set to false. If it does not, then it will return null.
    93  *
    94  * It is also possible that it will return a WP_Error object on failure. Check
    95  * for it when using this function.
    96  *
    97  * @since 2.1.0
    98  *
    99  * @param string $category_path URL containing category slugs.
    100  * @param bool $full_match Optional. Whether full path should be matched.
    101  * @param string $output Optional. Constant OBJECT, ARRAY_A, or ARRAY_N
    102  * @return object|array|WP_Error|void Type is based on $output value.
    103  */
    104 function get_category_by_path( $category_path, $full_match = true, $output = OBJECT ) {
    105     $category_path = rawurlencode( urldecode( $category_path ) );
    106     $category_path = str_replace( '%2F', '/', $category_path );
    107     $category_path = str_replace( '%20', ' ', $category_path );
    108     $category_paths = '/' . trim( $category_path, '/' );
    109     $leaf_path  = sanitize_title( basename( $category_paths ) );
    110     $category_paths = explode( '/', $category_paths );
    111     $full_path = '';
    112     foreach ( (array) $category_paths as $pathdir ) {
    113         $full_path .= ( $pathdir != '' ? '/' : '' ) . sanitize_title( $pathdir );
    114     }
    115     $categories = get_terms( 'category', array('get' => 'all', 'slug' => $leaf_path) );
    116 
    117     if ( empty( $categories ) ) {
    118         return;
    119     }
    120 
    121     foreach ( $categories as $category ) {
    122         $path = '/' . $leaf_path;
    123         $curcategory = $category;
    124         while ( ( $curcategory->parent != 0 ) && ( $curcategory->parent != $curcategory->term_id ) ) {
    125             $curcategory = get_term( $curcategory->parent, 'category' );
    126             if ( is_wp_error( $curcategory ) ) {
    127                 return $curcategory;
    128             }
    129             $path = '/' . $curcategory->slug . $path;
    130         }
    131 
    132         if ( $path == $full_path ) {
    133             $category = get_term( $category->term_id, 'category', $output );
    134             _make_cat_compat( $category );
    135             return $category;
    136         }
    137     }
    138 
    139     // If full matching is not required, return the first cat that matches the leaf.
    140     if ( ! $full_match ) {
    141         $category = get_term( reset( $categories )->term_id, 'category', $output );
    142         _make_cat_compat( $category );
    143         return $category;
    144     }
    145 }
    146 
    147 /**
    148  * Retrieve category object by category slug.
    149  *
    150  * @since 2.3.0
    151  *
    152  * @param string $slug The category slug.
    153  * @return object Category data object
    154  */
    155 function get_category_by_slug( $slug  ) {
    156     $category = get_term_by( 'slug', $slug, 'category' );
    157     if ( $category )
    158         _make_cat_compat( $category );
    159 
    160     return $category;
    161 }
    162 
    163 /**
    164  * Retrieve the ID of a category from its name.
    165  *
    166  * @since 1.0.0
    167  *
    168  * @param string $cat_name Category name.
    169  * @return int 0, if failure and ID of category on success.
    170  */
    171 function get_cat_ID( $cat_name ) {
    172     $cat = get_term_by( 'name', $cat_name, 'category' );
    173     if ( $cat )
    174         return $cat->term_id;
    175     return 0;
    176 }
    177 
    178 /**
    179  * Retrieve the name of a category from its ID.
    180  *
    181  * @since 1.0.0
    182  *
    183  * @param int $cat_id Category ID
    184  * @return string Category name, or an empty string if category doesn't exist.
    185  */
    186 function get_cat_name( $cat_id ) {
    187     $cat_id = (int) $cat_id;
    188     $category = get_term( $cat_id, 'category' );
    189     if ( ! $category || is_wp_error( $category ) )
    190         return '';
    191     return $category->name;
    192 }
    193 
    194 /**
    195  * Check if a category is an ancestor of another category.
    196  *
    197  * You can use either an id or the category object for both parameters. If you
    198  * use an integer the category will be retrieved.
    199  *
    200  * @since 2.1.0
    201  *
    202  * @param int|object $cat1 ID or object to check if this is the parent category.
    203  * @param int|object $cat2 The child category.
    204  * @return bool Whether $cat2 is child of $cat1
    205  */
    206 function cat_is_ancestor_of( $cat1, $cat2 ) {
    207     return term_is_ancestor_of( $cat1, $cat2, 'category' );
    208 }
    209 
    210 /**
    211  * Sanitizes category data based on context.
    212  *
    213  * @since 2.3.0
    214  *
    215  * @param object|array $category Category data
    216  * @param string $context Optional. Default is 'display'.
    217  * @return object|array Same type as $category with sanitized data for safe use.
    218  */
    219 function sanitize_category( $category, $context = 'display' ) {
    220     return sanitize_term( $category, 'category', $context );
    221 }
    222 
    223 /**
    224  * Sanitizes data in single category key field.
    225  *
    226  * @since 2.3.0
    227  *
    228  * @param string $field Category key to sanitize
    229  * @param mixed $value Category value to sanitize
    230  * @param int $cat_id Category ID
    231  * @param string $context What filter to use, 'raw', 'display', etc.
    232  * @return mixed Same type as $value after $value has been sanitized.
    233  */
    234 function sanitize_category_field( $field, $value, $cat_id, $context ) {
    235     return sanitize_term_field( $field, $value, $cat_id, 'category', $context );
    236 }
    237 
    238 /* Tags */
    239 
    240 /**
    241  * Retrieves all post tags.
    242  *
    243  * @since 2.3.0
    244  * @see get_terms() For list of arguments to pass.
    245  *
    246  * @param string|array $args Tag arguments to use when retrieving tags.
    247  * @return array List of tags.
    248  */
    249 function get_tags( $args = '' ) {
    250     $tags = get_terms( 'post_tag', $args );
    251 
    252     if ( empty( $tags ) ) {
    253         $return = array();
    254         return $return;
    255     }
    256 
    257     /**
    258      * Filter the array of term objects returned for the 'post_tag' taxonomy.
    259      *
    260      * @since 2.3.0
    261      *
    262      * @param array $tags Array of 'post_tag' term objects.
    263      * @param array $args An array of arguments. @see get_terms()
    264      */
    265     $tags = apply_filters( 'get_tags', $tags, $args );
    266     return $tags;
    267 }
    268 
    269 /**
    270  * Retrieve post tag by tag ID or tag object.
    271  *
    272  * If you pass the $tag parameter an object, which is assumed to be the tag row
    273  * object retrieved the database. It will cache the tag data.
    274  *
    275  * If you pass $tag an integer of the tag ID, then that tag will
    276  * be retrieved from the database, if it isn't already cached, and pass it back.
    277  *
    278  * If you look at get_term(), then both types will be passed through several
    279  * filters and finally sanitized based on the $filter parameter value.
    280  *
    281  * @since 2.3.0
    282  *
    283  * @param int|object $tag
    284  * @param string $output Optional. Constant OBJECT, ARRAY_A, or ARRAY_N
    285  * @param string $filter Optional. Default is raw or no WordPress defined filter will applied.
    286  * @return object|array|WP_Error|null Tag data in type defined by $output parameter. WP_Error if $tag is empty, null if it does not exist.
    287  */
    288 function get_tag( $tag, $output = OBJECT, $filter = 'raw' ) {
    289     return get_term( $tag, 'post_tag', $output, $filter );
    290 }
    291 
    292 /* Cache */
    293 
    294 /**
    295  * Remove the category cache data based on ID.
    296  *
    297  * @since 2.1.0
    298  *
    299  * @param int $id Category ID
    300  */
    301 function clean_category_cache( $id ) {
    302     clean_term_cache( $id, 'category' );
    303 }
    304 
    305 /**
    306  * Update category structure to old pre 2.3 from new taxonomy structure.
    307  *
    308  * This function was added for the taxonomy support to update the new category
    309  * structure with the old category one. This will maintain compatibility with
    310  * plugins and themes which depend on the old key or property names.
    311  *
    312  * The parameter should only be passed a variable and not create the array or
    313  * object inline to the parameter. The reason for this is that parameter is
    314  * passed by reference and PHP will fail unless it has the variable.
    315  *
    316  * There is no return value, because everything is updated on the variable you
    317  * pass to it. This is one of the features with using pass by reference in PHP.
    318  *
    319  * @since 2.3.0
    320  * @access private
    321  *
    322  * @param array|object $category Category Row object or array
    323  */
    324 function _make_cat_compat( &$category ) {
    325     if ( is_object( $category ) && ! is_wp_error( $category ) ) {
    326         $category->cat_ID = &$category->term_id;
    327         $category->category_count = &$category->count;
    328         $category->category_description = &$category->description;
    329         $category->cat_name = &$category->name;
    330         $category->category_nicename = &$category->slug;
    331         $category->category_parent = &$category->parent;
    332     } elseif ( is_array( $category ) && isset( $category['term_id'] ) ) {
    333         $category['cat_ID'] = &$category['term_id'];
    334         $category['category_count'] = &$category['count'];
    335         $category['category_description'] = &$category['description'];
    336         $category['cat_name'] = &$category['name'];
    337         $category['category_nicename'] = &$category['slug'];
    338         $category['category_parent'] = &$category['parent'];
    339     }
    340 }
     14/** Walker_CategoryDropdown class */
     15require_once( ABSPATH . WPINC . '/class-walker-category-dropdown.php' );
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