apply_filters( "post_type_labels_{$post_type}", object $labels )

2209	 * @since 3.5.02210	 *2211	 * @see get_post_type_labels() for the full list of labels.2212	 *2213	 * @param object $labels Object with labels for the post type as member variables.2214	 */2215	$labels = apply_filters( "post_type_labels_{$post_type}", $labels );2216 2217	// Ensure that the filtered labels contain all required default values.2218	$labels = (object) array_merge( (array) $default_labels, (array) $labels );2219 2220	return $labels;2221}