- print_r: documentation ( source)
- explode: documentation ( source)
- checkdate: documentation ( source)
<?php
$value='31/02/2014';
$tabDt = explode('/', $value);
echo '<pre>'.print_r($tabDt, true).'</pre>';
if(checkdate($tabDt[1], $tabDt[0], $tabDt[2]))
echo 'cool';
else
echo 'pas cool';