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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 |
---|---|
428 | $slug = $tag->slug; |
429 |
|
430 | if ( empty($taglink) ) { |
431 | $file = get_option('home') . '/'; |
432 | $taglink = $file . '?tag=' . $slug; |
433 | } else { |
434 | $taglink = str_replace('%tag%', $slug, $taglink); |
435 | $taglink = get_option('home') . user_trailingslashit($taglink, 'category'); |
436 | } |
437 | return apply_filters('tag_link', $taglink, $tag_id); |
438 | } |
439 |
|
440 | function get_the_tags( $id = 0 ) { |
441 | global $post; |
442 |
|
443 | $id = (int) $id; |
444 |
|
445 | if ( ! $id && ! in_the_loop() ) |
446 | return false; // in-the-loop function |