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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 |
---|---|
1198 | /** |
1199 | * Filter the array of tags for the given post. |
1200 | * |
1201 | * @since 2.3.0 |
1202 | * |
1203 | * @see get_the_terms() |
1204 | * |
1205 | * @param array $terms An array of tags for the given post. |
1206 | */ |
1207 | return apply_filters( 'get_the_tags', get_the_terms( $id, 'post_tag' ) ); |
1208 | } |
1209 |
|
1210 | /** |
1211 | * Retrieve the tags for a post formatted as a string. |
1212 | * |
1213 | * @since 2.3.0 |
1214 | * |
1215 | * @param string $before Optional. Before tags. |
1216 | * @param string $sep Optional. Between tags. |