<?php
    function phone_validate($tel, $champs)
    {
        $regex = "/^([2-9][0-9]{2})[2-9][0-9]{2}-[0-9]{4}/i";
        if(preg_match($regex, $tel) != 1)
        {
            return "Le champs '$champs' est invalide";
        }
        return true;
    }
?>

<?php function phone_validate($tel, $champs) { $regex = "/^([2-9][0-9]{2})[2-9][0-9]{2}-[0-9]{4}/i"; if(preg_match($regex, $tel) != 1) { return "Le champs '$champs' est invalide"; } return true; } ?>