In this tutorial you will learn how to find PHP date difference in years in a PHP web application.

PHP date difference in years

In this tutorial you will learn how to find PHP date difference in years in a PHP web application. In this tutorial $date1 and $date2 variable that use for assign date and  $date_diff  use for assign  difference  of dates in Unix timestamp (in second) . The " floor(($date_diff)/(60*60*24*365)) "  that return number of years. The code of  "php-date-difference-in-years.php" given below as :

<?php
$date1=date('2004-1-1');
$date2=date('2011-5-2');
echo "date1 :: ".$date1."<br>";
echo "date2 :: ".$date2."<br>";
$date_diff=strtotime($date2)-strtotime($date1);
echo " date difference in years => ".floor(($date_diff)/(60*60*24*365)) ." years <br>";
?>

Output :

When run "php-date-difference-in-years.php" display output as :

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