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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 465 | $slug = $tag->slug; |
| 466 | |
| 467 | if ( empty($taglink) ) { |
| 468 | $file = get_option('home') . '/'; |
| 469 | $taglink = $file . '?tag=' . $slug; |
| 470 | } else { |
| 471 | $taglink = str_replace('%tag%', $slug, $taglink); |
| 472 | $taglink = get_option('home') . user_trailingslashit($taglink, 'category'); |
| 473 | } |
| 474 | return apply_filters('tag_link', $taglink, $tag_id); |
| 475 | } |
| 476 | |
| 477 | function get_the_tags( $id = 0 ) { |
| 478 | return apply_filters( 'get_the_tags', get_the_terms($id, 'post_tag') ); |
| 479 | } |
| 480 | |
| 481 | function get_the_tag_list( $before = '', $sep = '', $after = '' ) { |
| 482 | return apply_filters( 'the_tags', get_the_term_list(0, 'post_tag', $before, $sep, $after) ); |
| 483 | } |