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Calculating age by birthday PHP
Source code from: http://snippets.dzone.com/posts/show/1310 Created by tlw on 08.12.2019 @ 07:58

With this function you can calculate the age of a person

Example:

echo "Age is: " . birthday ("1984-07-05");

Result will be (23 Feb 2005) = "Age is: 20"

<?php

//calculate years of age (input string: YYYY-MM-DD)
function birthday ($birthday){
list($year,$month,$day) = explode("-",$birthday);
$year_diff = date("Y") - $year;
$month_diff = date("m") - $month;
$day_diff = date("d") - $day;
if ($day_diff < 0 || $month_diff < 0)
$year_diff--;
return $year_diff;
}

?>

date   age   birthday
 
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