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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 |
---|---|
1133 | /** |
1134 | * Filters the array of tags for the given post. |
1135 | * |
1136 | * @since 2.3.0 |
1137 | * |
1138 | * @see get_the_terms() |
1139 | * |
1140 | * @param WP_Term[] $terms An array of tags for the given post. |
1141 | */ |
1142 | return apply_filters( 'get_the_tags', get_the_terms( $id, 'post_tag' ) ); |
1143 | } |
1144 |
|
1145 | /** |
1146 | * Retrieve the tags for a post formatted as a string. |
1147 | * |
1148 | * @since 2.3.0 |
1149 | * |
1150 | * @param string $before Optional. Before tags. |
1151 | * @param string $sep Optional. Between tags. |