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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 |
---|---|
790 | * @return string|null Title when retrieving, null when displaying or failure. |
791 | */ |
792 | function single_term_title( $prefix = '', $display = true ) { |
793 | $term = get_queried_object(); |
794 |
|
795 | if ( !$term ) |
796 | return; |
797 |
|
798 | if ( is_category() ) |
799 | $term_name = apply_filters( 'single_cat_title', $term->name ); |
800 | elseif ( is_tag() ) |
801 | $term_name = apply_filters( 'single_tag_title', $term->name ); |
802 | elseif ( is_tax() ) |
803 | $term_name = apply_filters( 'single_term_title', $term->name ); |
804 | else |
805 | return; |
806 |
|
807 | if ( empty( $term_name ) ) |
808 | return; |