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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 |
---|---|
1015 | * @uses apply_filters() Calls 'the_tags' filter on string list of tags. |
1016 | * |
1017 | * @param string $before Optional. Before tags. |
1018 | * @param string $sep Optional. Between tags. |
1019 | * @param string $after Optional. After tags. |
1020 | * @param int $id Optional. Post ID. Defaults to the current post. |
1021 | * @return string|bool|WP_Error A list of tags on success, false or WP_Error on failure. |
1022 | */ |
1023 | function get_the_tag_list( $before = '', $sep = '', $after = '', $id = 0 ) { |
1024 | return apply_filters( 'the_tags', get_the_term_list( $id, 'post_tag', $before, $sep, $after ), $before, $sep, $after, $id ); |
1025 | } |
1026 |
|
1027 | /** |
1028 | * Retrieve the tags for a post. |
1029 | * |
1030 | * @since 2.3.0 |
1031 | * |
1032 | * @param string $before Optional. Before list. |
1033 | * @param string $sep Optional. Separate items using this. |