- filter_var: documentation ( source)
- urldecode: documentation ( source)
<?php
$url = urldecode("http://www.example.com/%D7%91%D7%93%D7%99%D7%A7%D7%94");
if(!filter_var($url, FILTER_VALIDATE_URL))
{
echo "Invalid URL";
}
else
{
echo "Valid URL";
}
?>