site-accueil-insa/construction.php

<?php
ob_start(); // Start reading html
?>
<main>

    <div id="msg_acc">
        <p>
            Page en construction, revenez plus tard (c'est pas la faute des devs)
        </p>
    </div>
</main>
<?php
$infopage = ["", "En construction", ob_get_clean(), "", "index","Page en Construction"]; //relativepath, pagetitle, pagecontent, pagescript, pagename | cf structure/template.php ligne 2 à 6
include("structure/template.php");
?>