$this->SetFillColor(245, 248, 252);
$this->Cell(200, 10, $this->title, 1, 1, 'C', 1);
$this->Image(dirname(dirname(__FILE__)).'/htdocs/images/logo.png', 5, 5, 10, 10, 'png', 'https://www.polytechnique.org/');
$this->SetFillColor(245, 248, 252);
$this->Cell(200, 10, $this->title, 1, 1, 'C', 1);
$this->Image(dirname(dirname(__FILE__)).'/htdocs/images/logo.png', 5, 5, 10, 10, 'png', 'https://www.polytechnique.org/');