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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.
This hook occurs 2 times in this file.
| Line | Code |
|---|---|
| 547 | if ( $cat ) |
| 548 | $title = apply_filters('single_cat_title', $cat->name); |
| 549 | } |
| 550 | |
| 551 | if ( !empty($tag) ) { |
| 552 | $tag = get_term($tag, 'post_tag', OBJECT, 'display'); |
| 553 | if ( is_wp_error( $tag ) ) |
| 554 | return $tag; |
| 555 | if ( ! empty($tag->name) ) |
| 556 | $title = apply_filters('single_tag_title', $tag->name); |
| 557 | } |
| 558 | |
| 559 | // If there's an author |
| 560 | if ( !empty($author) ) { |
| 561 | $title = get_userdata($author); |
| 562 | $title = $title->display_name; |
| 563 | } |
| 564 | if ( !empty($author_name) ) { |
| 565 | // We do a direct query here because we don't cache by nicename. |
| Line | Code |
| 724 | global $wp_query; |
| 725 | if ( !is_tag() ) |
| 726 | return; |
| 727 | |
| 728 | $tag = $wp_query->get_queried_object(); |
| 729 | |
| 730 | if ( ! $tag ) |
| 731 | return; |
| 732 | |
| 733 | $my_tag_name = apply_filters('single_tag_title', $tag->name); |
| 734 | if ( !empty($my_tag_name) ) { |
| 735 | if ( $display ) |
| 736 | echo $prefix . $my_tag_name; |
| 737 | else |
| 738 | return $my_tag_name; |
| 739 | } |
| 740 | } |
| 741 | |
| 742 | /** |