Changeset 1557
- Timestamp:
- 08/24/2004 01:35:57 AM (20 years ago)
- File:
-
- 1 edited
Legend:
- Unmodified
- Added
- Removed
-
trunk/wp-includes/template-functions-links.php
r1555 r1557 243 243 // Navigation links 244 244 245 function get_previous_post($in_same_cat = false, $excluded_categories = '') { 246 global $post, $wpdb; 247 248 if(! is_single()) { 249 return null; 250 } 251 252 $current_post_date = $post->post_date; 253 $current_category = $post->post_category; 254 255 $sqlcat = ''; 256 if ($in_same_cat) { 257 $sqlcat = " AND post_category = '$current_category' "; 258 } 259 260 $sql_exclude_cats = ''; 261 if (!empty($excluded_categories)) { 262 $blah = explode('and', $excluded_categories); 263 foreach($blah as $category) { 264 $category = intval($category); 265 $sql_exclude_cats .= " AND post_category != $category"; 266 } 267 } 268 269 return @$wpdb->get_row("SELECT ID, post_title FROM $wpdb->posts WHERE post_date < '$current_post_date' AND post_status = 'publish' $sqlcat $sql_exclude_cats ORDER BY post_date DESC LIMIT 1"); 270 } 271 272 function get_next_post($in_same_cat = false, $excluded_categories = '') { 273 global $post, $wpdb; 274 275 if(! is_single()) { 276 return null; 277 } 278 279 $current_post_date = $post->post_date; 280 $current_category = $post->post_category; 281 282 $sqlcat = ''; 283 if ($in_same_cat) { 284 $sqlcat = " AND post_category = '$current_category' "; 285 } 286 287 $sql_exclude_cats = ''; 288 if (!empty($excluded_categories)) { 289 $blah = explode('and', $excluded_categories); 290 foreach($blah as $category) { 291 $category = intval($category); 292 $sql_exclude_cats .= " AND post_category != $category"; 293 } 294 } 295 296 $now = current_time('mysql'); 297 298 return @$wpdb->get_row("SELECT ID,post_title FROM $wpdb->posts WHERE post_date > '$current_post_date' AND post_date < '$now' AND post_status = 'publish' $sqlcat $sql_exclude_cats AND ID != $post->ID ORDER BY post_date ASC LIMIT 1"); 299 } 300 301 function previous_post_link($format='« %link', $link='%title', $in_same_cat = false, $excluded_categories = '') { 302 $post = get_previous_post($in_same_cat, $excluded_categories); 303 304 if(! $post) { 305 return; 306 } 307 308 $title = apply_filters('the_title', $post->post_title); 309 310 $string = '<a href="'.get_permalink($post->ID).'">'; 311 312 $link = str_replace('%title', $title, $link); 313 314 $link = $string . $link . '</a>'; 315 316 $format = str_replace('%link', $link, $format); 317 318 echo $format; 319 } 320 321 function next_post_link($format='%link »', $link='%title', $in_same_cat = false, $excluded_categories = '') { 322 $post = get_next_post($in_same_cat, $excluded_categories); 323 324 if(! $post) { 325 return; 326 } 327 328 $title = apply_filters('the_title', $post->post_title); 329 330 $string = '<a href="'.get_permalink($post->ID).'">'; 331 332 $link = str_replace('%title', $title, $link); 333 334 $link = $string . $link . '</a>'; 335 336 $format = str_replace('%link', $link, $format); 337 338 echo $format; 339 } 340 245 341 function previous_post($format='%', $previous='previous post: ', $title='yes', $in_same_cat='no', $limitprev=1, $excluded_categories='') { 246 342 global $id, $post, $wpdb;
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