[PHP-DB] difference between two dates

2003-01-19 Thread Rajesh Fowkar 
Hello,

In my application I am accepting Day, Month and Year from a Select List.
What I want to do is calculate the age of the person based on the above
selection.

$cboDD is the day variable
$cboMM is the month variable
$cboYY is the year variable

I tried this :

$dobtimestamp = mktime(0,0,0,$cboMM,$cboDD,$cboYY);
$todaytimestamp = time();
$txtAge = ($todaytimestamp - $dobtimestamp)/86400;

It does not give me the expected output.

Can anybody suggest something ?

Thanks in advance.


Peace

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RE: [PHP-DB] difference between two dates

2003-01-19 Thread John W. Holmes 
 In my application I am accepting Day, Month and Year from a Select
List.
 What I want to do is calculate the age of the person based on the
above
 selection.
 
 $cboDD is the day variable
 $cboMM is the month variable
 $cboYY is the year variable
 
 I tried this :
 
 $dobtimestamp = mktime(0,0,0,$cboMM,$cboDD,$cboYY);
 $todaytimestamp = time();
 $txtAge = ($todaytimestamp - $dobtimestamp)/86400;
 
 It does not give me the expected output.
 
 Can anybody suggest something ?

Keep your mktime() as it is, that's correct. Then use something like
this to calculate the age:

$age = date('Y',$now) - date('Y',$dob) -
((date('z',$now)=date('z',$dob)) ? 0 : 1);

where $dob and $now are the appropriate unix timestamps that you've
already got calculated with mktime() and time().

---John W. Holmes...

PHP Architect - A monthly magazine for PHP Professionals. Get your copy
today. http://www.phparch.com/



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Re: [PHP-DB] difference between two dates

2003-01-19 Thread Rajesh Fowkar 
On Sun, Jan 19, 2003 at 09:34:02AM -0500, John W. Holmes wrote:

 I tried this :
 
 $dobtimestamp = mktime(0,0,0,$cboMM,$cboDD,$cboYY);
 $todaytimestamp = time();
 $txtAge = ($todaytimestamp - $dobtimestamp)/86400;
 
 It does not give me the expected output.
 
 Can anybody suggest something ?

Keep your mktime() as it is, that's correct. Then use something like
this to calculate the age:

$age = date('Y',$now) - date('Y',$dob) -
((date('z',$now)=date('z',$dob)) ? 0 : 1);

where $dob and $now are the appropriate unix timestamps that you've
already got calculated with mktime() and time().

Thanks a lot. 

Peace

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Rajesh
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