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Calculate Age in PHP; given date of birth

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Calculate age; given date.

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  1. /*
  2. *	calculateAge()
  3. *	@action: calculate age from given date
  4. *	@params:
  5. *		birthday: birthday in format YYYY-MM-DD
  6. *	@return: age (integer 	)
  7. *	@modified : 27 August 2010
  8. *	@modified by: Sucl Tandukar
  9. */
  10. function calculateAge ($birthday)
  11. {
  12. 	list($year,$month,$day) = explode("-",$birthday);
  13. 	$year_diff  = date("Y") - $year;
  14. 	$month_diff = date("m") - $month;
  15. 	$day_diff   = date("d") - $day;
  16. 	if ($day_diff < 0 || $month_diff < 0)
  17. 		$year_diff--;
  18. 	return $year_diff;
  19. }

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