function response($code, $content, $contentType = 'text/html', $charset = 'UTF-8')
 {
     header('HTTP/1.1 ' . Http::header_code_verbose($code));
     header('Status: ' . Http::header_code_verbose($code) . "\r\n");
     header("Connection: Close\r\n");
     header("Content-Type: {$contentType}; charset={$charset}\r\n");
     header('Content-Length: ' . strlen($content) . "\r\n\r\n");
     print $content;
     exit;
 }
 function response($code, $content, $contentType = 'text/html', $charset = 'UTF-8')
 {
     header('HTTP/1.1 ' . Http::header_code_verbose($code));
     header('Situação: ' . Http::header_code_verbose($code) . "\r\n");
     header("Conexão: Fechada\r\n");
     header("Tipo de conteúdo: {$contentType}; charset={$charset}\r\n");
     header('Tamanho do conteúdo: ' . strlen($content) . "\r\n\r\n");
     print $content;
     exit;
 }