Automattic\WooCommerce\Utilities

TimeUtil::is_valid_date │ public static │ WC 1.0

Check if a string represents a valid date in a given format.

Method of the class: TimeUtil{}

No Hooks.

Returns

true|false. True if $date represents a valid date/time according to $format, false otherwise.

Usage

$result = TimeUtil::is_valid_date( $date, $format ): bool;
$date(string) (required)
The date string to check.
$format(string)
The format to verify the date string against.
Default: 'Y-m-d H:i:s'

TimeUtil::is_valid_date() code WC 9.9.5

woocommerce/src/Utilities/TimeUtil.php 
public static function is_valid_date( string $date, string $format = 'Y-m-d H:i:s' ): bool {
	$d = DateTime::createFromFormat( $format, $date );
	return $d && $d->format( $format ) === $date;
}