apply_filters( "expiration_of_transient_{$transient}", int $expiration, mixed $value, string $transient )

1531	 * @since 4.4.01532	 *1533	 * @param int    $expiration Time until expiration in seconds. Use 0 for no expiration.1534	 * @param mixed  $value      New value of transient.1535	 * @param string $transient  Transient name.1536	 */1537	$expiration = apply_filters( "expiration_of_transient_{$transient}", $expiration, $value, $transient );1538 1539	if ( wp_using_ext_object_cache() || wp_installing() ) {1540		$result = wp_cache_set( $transient, $value, 'transient', $expiration );1541	} else {1542		$transient_timeout = '_transient_timeout_' . $transient;1543		$transient_option  = '_transient_' . $transient;