evansims

$app->hook('slim.before.dispatch', function () use ($app) {
	$app->render('/views/header.php');
});
  
$app->hook('slim.after.dispatch', function () use ($app) {
	$app->render('/views/footer.php');
});

guisehn

<?php

function validar_cnpj($cnpj)
{
	$cnpj = preg_replace('/[^0-9]/', '', (string) $cnpj);
	
	// Valida tamanho
	if (strlen($cnpj) != 14)
		return false;