iso8601_to_datetime( string $date_string, string $timezone = 'user' ): string|false

3733function iso8601_to_datetime( $date_string, $timezone = 'user' ) {3734	$timezone    = strtolower( $timezone );3735	$wp_timezone = wp_timezone();3736	$datetime    = date_create( $date_string, $wp_timezone ); // Timezone is ignored if input has one.3737 3738	if ( false === $datetime ) {3739		return false;3740	}3741 3742	if ( 'gmt' === $timezone ) {3743		return $datetime->setTimezone( new DateTimeZone( 'UTC' ) )->format( 'Y-m-d H:i:s' );3744	}3745 3746	if ( 'user' === $timezone ) {3747		return $datetime->setTimezone( $wp_timezone )->format( 'Y-m-d H:i:s' );3748	}3749 3750	return false;3751}