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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 |
---|---|
716 | $post_type_obj = get_post_type_object( $post_type ); |
717 | /** |
718 | * Filter the post type archive title. |
719 | * |
720 | * @since 3.1.0 |
721 | * |
722 | * @param string $post_type_name Post type 'name' label. |
723 | * @param string $post_type Post type. |
724 | */ |
725 | $title = apply_filters( 'post_type_archive_title', $post_type_obj->labels->name, $post_type ); |
726 |
|
727 | if ( $display ) |
728 | echo $prefix . $title; |
729 | else |
730 | return $prefix . $title; |
731 | } |
732 |
|
733 | /** |
734 | * Display or retrieve page title for category archive. |