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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 |
---|---|
1204 | /** |
1205 | * Filters the list of terms attached to the given post. |
1206 | * |
1207 | * @since 3.1.0 |
1208 | * |
1209 | * @param array|WP_Error $terms List of attached terms, or WP_Error on failure. |
1210 | * @param int $post_id Post ID. |
1211 | * @param string $taxonomy Name of the taxonomy. |
1212 | */ |
1213 | $terms = apply_filters( 'get_the_terms', $terms, $post->ID, $taxonomy ); |
1214 |
|
1215 | if ( empty( $terms ) ) |
1216 | return false; |
1217 |
|
1218 | return $terms; |
1219 | } |
1220 |
|
1221 | /** |
1222 | * Retrieve a post's terms as a list with specified format. |