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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 |
---|---|
789 | * @since 2.3.0 |
790 | * @uses apply_filters() Calls 'the_tags' filter on string list of tags. |
791 | * |
792 | * @param string $before Optional. Before tags. |
793 | * @param string $sep Optional. Between tags. |
794 | * @param string $after Optional. After tags. |
795 | * @return string |
796 | */ |
797 | function get_the_tag_list( $before = '', $sep = '', $after = '' ) { |
798 | return apply_filters( 'the_tags', get_the_term_list( 0, 'post_tag', $before, $sep, $after ) ); |
799 | } |
800 |
|
801 | /** |
802 | * Retrieve the tags for a post. |
803 | * |
804 | * @since 2.3.0 |
805 | * |
806 | * @param string $before Optional. Before list. |
807 | * @param string $sep Optional. Separate items using this. |