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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 |
|---|---|
| 769 | |
| 770 | if ( !$term ) |
| 771 | return; |
| 772 | |
| 773 | if ( is_category() ) |
| 774 | $term_name = apply_filters( 'single_cat_title', $term->name ); |
| 775 | elseif ( is_tag() ) |
| 776 | $term_name = apply_filters( 'single_tag_title', $term->name ); |
| 777 | elseif ( is_tax() ) |
| 778 | $term_name = apply_filters( 'single_term_title', $term->name ); |
| 779 | else |
| 780 | return; |
| 781 | |
| 782 | if ( empty( $term_name ) ) |
| 783 | return; |
| 784 | |
| 785 | if ( $display ) |
| 786 | echo $prefix . $term_name; |
| 787 | else |