- mktime: documentation ( source)
- date: documentation ( source)
- strtotime: documentation ( source)
<?php
$future = strtotime(date("Y-m-d",mktime(0, 0, 0, 3, 30, 2014)));
$today = strtotime(date("Y-m-d"));
echo $today . "\n";
echo $future . "\n";
echo $today <= $future;