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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 |
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470 | $slug = $tag->slug; |
471 |
|
472 | if ( empty($taglink) ) { |
473 | $file = get_option('home') . '/'; |
474 | $taglink = $file . '?tag=' . $slug; |
475 | } else { |
476 | $taglink = str_replace('%tag%', $slug, $taglink); |
477 | $taglink = get_option('home') . user_trailingslashit($taglink, 'category'); |
478 | } |
479 | return apply_filters('tag_link', $taglink, $tag_id); |
480 | } |
481 |
|
482 | function get_the_tags( $id = 0 ) { |
483 | return apply_filters( 'get_the_tags', get_the_terms($id, 'post_tag') ); |
484 | } |
485 |
|
486 | function get_the_tag_list( $before = '', $sep = '', $after = '' ) { |
487 | return apply_filters( 'the_tags', get_the_term_list(0, 'post_tag', $before, $sep, $after) ); |
488 | } |