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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 |
---|---|
1256 | /** |
1257 | * Filter the list of terms attached to the given post. |
1258 | * |
1259 | * @since 3.1.0 |
1260 | * |
1261 | * @param array|WP_Error $terms List of attached terms, or WP_Error on failure. |
1262 | * @param int $post_id Post ID. |
1263 | * @param string $taxonomy Name of the taxonomy. |
1264 | */ |
1265 | $terms = apply_filters( 'get_the_terms', $terms, $post->ID, $taxonomy ); |
1266 |
|
1267 | if ( empty( $terms ) ) |
1268 | return false; |
1269 |
|
1270 | return $terms; |
1271 | } |
1272 |
|
1273 | /** |
1274 | * Retrieve a post's terms as a list with specified format. |