public function Header()
{
$this->SetFont('Helvetica', 'B', 13);
$this->Cell(0, 10, 'EJEMPLO', 0, 1, 'C', 0, '', 1);
$header = array('Country', 'Capital', 'Area (sq km)', 'Pop. (thousands)');
Principal::SetColors();
$w = array(40, 35, 40, 45);
//Ancho de las columnas
$num_headers = count($header);
for ($i = 0; $i < $num_headers; $i++) {
$this->Cell($w[$i], 7, $header[$i], 1, 0, 'C', 1);
}
}
