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Calculate Age Using a Birth Date

/ Published in: PHP
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This function gets birth date as an argument and it returns the age of the person; it's very useful when building communities or social media sites.

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  1. <?php
  2. function age($date){
  3.     $time = strtotime($date);
  4.     if($time === false){
  5.       return '';
  6.     }
  7.  
  8.     $year_diff = '';
  9.     $date = date('Y-m-d', $time);
  10.     list($year,$month,$day) = explode('-',$date);
  11.     $year_diff = date('Y') - $year;
  12.     $month_diff = date('m') - $month;
  13.     $day_diff = date('d') - $day;
  14.     if ($day_diff < 0 || $month_diff < 0) $year_diff-;
  15.  
  16.     return $year_diff;
  17. }
  18. ?>

URL: http://www.apphp.com/index.php?snippet=php-calculate-age-using-birth-date

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