Untitled

<?php
$html = <<<HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
    <head>
      <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
      <title>Table de multiplication</title>
    </head>
    <body>

HTML;

$joursem = array("Lundi", "Mardi", "Mercredi", "Jeudi", "Vendredi", "Samedi") ;
$html .= "Vous avez cours le " ;
    foreach($_GET['jour'] as $jour)
    {
        $mesjours[$jour] .= $joursem[$jour] ;
    }
    $sep = implode(",", $mesjours) . "." ;
    $html .= $sep ;

$html.=<<<HTML
    </body>
</html>
HTML;
echo $html ;
?>