validate date problem

[bluemonster]

encounter problem when validate date, the code always return 1

how do u check

28-02-2007 is valid
29-02-2007 is not valid

function ValidateDate($dDay,$dMonth,$dYear)
{
	$Remain = $dYear % 4 ;
	if ($Remain == 0)
		$LeapYear = 1 ;
	else
		$LeapYear = 0 ;
	if ($LeapYear == 0)
	{
		if ($dMonth == 2)
		{
			if ($dDay > 28)
			{
				return 0 ;
			}
		}
		else if ($dMonth == 4 || $dMonth == 6 || $dMonth == 9 || $dMonth == 11)
		{
			if ($dMonth > 30)
			{
				return 0 ;
			}
		}
	}
	else
	{
		if ($dMonth == 2)
		{
			if ($dDay > 29)
			{
				return 0 ;
			}
		}
		else if ($dMonth == 4 || $dMonth == 6 || $dMonth == 9 || $dMonth == 11)
		{
			if ($dMonth > 30)
			{
				return 0 ;
			}
		}
	}			
	return 1 ;
}

[laserlight]

Have you considered adapting your code for use with [man]checkdate/man?

[bluemonster]

i use checkdate() but always return 1

need help how to check
example: 29 feb 2007 is not valid.

[NogDog]

bluemonster wrote:

i use checkdate() but always return 1

need help how to check
example: 29 feb 2007 is not valid.

Make sure you have the arguments in the (USA-centric) order of month, day, year:

if(checkdate($dMonth, $dDay, $dYear))
{
   // valid
}
else
{
   // not valid
}

(I would have preferred that they had used the more logical and Y2K-compliant year, month, day format, but that's the way it is.)