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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 |
---|---|
828 | * @since 2.3.0 |
829 | * @uses apply_filters() Calls 'the_tags' filter on string list of tags. |
830 | * |
831 | * @param string $before Optional. Before tags. |
832 | * @param string $sep Optional. Between tags. |
833 | * @param string $after Optional. After tags. |
834 | * @return string |
835 | */ |
836 | function get_the_tag_list( $before = '', $sep = '', $after = '' ) { |
837 | return apply_filters( 'the_tags', get_the_term_list( 0, 'post_tag', $before, $sep, $after ), $before, $sep, $after); |
838 | } |
839 |
|
840 | /** |
841 | * Retrieve the tags for a post. |
842 | * |
843 | * @since 2.3.0 |
844 | * |
845 | * @param string $before Optional. Before list. |
846 | * @param string $sep Optional. Separate items using this. |