test variable

<?php
include ('C:\Formation\givexpert\sitestest\modal\Domain.php');
include ('C:\Formation\givexpert\sitestest\modal\Modal.php');
include ('C:\Formation\givexpert\sitestest\modal\ModalManager.php');


if (isset($_POST)) {

    // test que les variable transmises par le form  existe et ne soient pas null ///
    if (!empty($_POST['title']) && !empty($_POST['text']))
    {

        // on pourrait  aussi utiliser fsockopen mais c 'est bcp plus lourd vieux date de 2007 idem
        $domain = new Domain();
        $modal = new Modal();
        foreach ($_POST['url'] as $url){
            if (filter_var($url, FILTER_VALIDATE_URL)) {
                  $domain->setUrl($url);
                $modal->addUrl($domain);
            }
            else {
                echo "l'url is not a valid URL "."\n";
            }
        }


        $modal->setText($_POST['text']);
        $modal->setTitle($_POST['title']);
        $db = new ModalManager();
        $db->insertMysqli($modal);
        echo "Modal inseré dans la base "."\n";

    }

    else {
        echo "le formulaire est incorrect "."\n";
    }
}else {
    echo "formulaire non recu "."\n";
}