Changeset 8131
- Timestamp:
- 06/20/2008 01:52:18 PM (16 years ago)
- File:
-
- 1 edited
Legend:
- Unmodified
- Added
- Removed
-
trunk/wp-includes/category-template.php
r7904 r8131 540 540 } 541 541 542 /** 543 * Check if the current post has the given tag 544 * 545 * @package WordPress 546 * @since 2.6 547 * 548 * @uses wp_get_object_terms() Gets the tags. 549 * 550 * @param string|int|array $tag Optional. The tag name/id/slug or array of them to check for 551 * @return bool True if the current post has the given tag, or any tag, if no tag specified 552 */ 553 function has_tag($tag = '') { 554 global $post; 555 $taxonomy = 'post_tag'; 556 557 if ( !in_the_loop() ) return false; // in-the-loop function 558 559 $post_id = (int) $post->ID; 560 561 $terms = get_object_term_cache($post_id, $taxonomy); 562 if (empty($terms)) 563 $terms = wp_get_object_terms($post_id, $taxonomy); 564 if (empty($terms)) return false; 565 566 if (empty($tag)) return (!empty($terms)); 567 568 $tag = (array) $tag; 569 570 foreach($terms as $term) { 571 if ( in_array( $term->term_id, $tag ) ) return true; 572 if ( in_array( $term->name, $tag ) ) return true; 573 if ( in_array( $term->slug, $tag ) ) return true; 574 } 575 576 return false; 577 } 578 542 579 ?>
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