sanitize_meta( string $meta_key, mixed $meta_value, string $object_type, string $object_subtype = '' ): mixed

1327function sanitize_meta( $meta_key, $meta_value, $object_type, $object_subtype = '' ) {1328	if ( ! empty( $object_subtype ) && has_filter( "sanitize_{$object_type}_meta_{$meta_key}_for_{$object_subtype}" ) ) {1329 1330		/**1331		 * Filters the sanitization of a specific meta key of a specific meta type and subtype.1332		 *1333		 * The dynamic portions of the hook name, `$object_type`, `$meta_key`,1334		 * and `$object_subtype`, refer to the metadata object type (comment, post, term, or user),1335		 * the meta key value, and the object subtype respectively.1336		 *1337		 * @since 4.9.81338		 *1339		 * @param mixed  $meta_value     Metadata value to sanitize.1340		 * @param string $meta_key       Metadata key.1341		 * @param string $object_type    Type of object metadata is for. Accepts 'post', 'comment', 'term', 'user',1342		 *                               or any other object type with an associated meta table.1343		 * @param string $object_subtype Object subtype.1344		 */1345		return apply_filters( "sanitize_{$object_type}_meta_{$meta_key}_for_{$object_subtype}", $meta_value, $meta_key, $object_type, $object_subtype );1346	}1347 1348	/**1349	 * Filters the sanitization of a specific meta key of a specific meta type.1350	 *1351	 * The dynamic portions of the hook name, `$meta_type`, and `$meta_key`,1352	 * refer to the metadata object type (comment, post, term, or user) and the meta1353	 * key value, respectively.1354	 *1355	 * @since 3.3.01356	 *1357	 * @param mixed  $meta_value  Metadata value to sanitize.1358	 * @param string $meta_key    Metadata key.1359	 * @param string $object_type Type of object metadata is for. Accepts 'post', 'comment', 'term', 'user',1360	 *                            or any other object type with an associated meta table.1361	 */1362	return apply_filters( "sanitize_{$object_type}_meta_{$meta_key}", $meta_value, $meta_key, $object_type );1363}