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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 |
---|---|
991 | * Retrieve the tags for a post. |
992 | * |
993 | * @since 2.3.0 |
994 | * @uses apply_filters() Calls 'get_the_tags' filter on the list of post tags. |
995 | * |
996 | * @param int $id Post ID. |
997 | * @return array |
998 | */ |
999 | function get_the_tags( $id = 0 ) { |
1000 | return apply_filters( 'get_the_tags', get_the_terms( $id, 'post_tag' ) ); |
1001 | } |
1002 |
|
1003 | /** |
1004 | * Retrieve the tags for a post formatted as a string. |
1005 | * |
1006 | * @since 2.3.0 |
1007 | * @uses apply_filters() Calls 'the_tags' filter on string list of tags. |
1008 | * |
1009 | * @param string $before Optional. Before tags. |