contare foreach

[dottwatson]

<?php
$cnt=0;
foreach($_GET['id_valore'] as $key=>$value){
    if($value==1){
        $criteria[] = "`id_valore`='".mysql_escape_string($key)."'";
        $cnt++;
        }
    }
echo $cnt."
";
$criteria = implode(' OR ', $criteria);
?>