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<?php
namespace Core\Modules\Router;
use Core;
final class Response
{
private $content = '';
private $headers = array();
public function __construct($content = '', array $headers = array())
{
if ($content) {
$this->setContent($content);
}
if ($headers) {
$this->addHeaders($headers);
}
}
public function setContent($content)
{
if (!is_string($content)) {
throw new \InvalidArgumentException('Response content must be a string');
}
$this->content = $content;
}
public function getContent()
{
return $this->content;
}
public function hasContent()
{
return !empty($this->content);
}
public function addHeaders(array $headers)
{
foreach ($headers as $header) {
if (is_array($header)) {
$header['replace'] = isset($header['replace']) ? $header['replace'] : true;
$header['code'] = isset($header['code']) ? $header['code'] : null;
$this->addHeader($header['string'], $header['replace'], $header['code']);
} else {
$this->addHeader($header);
}
}
}
public function addHeader($string, $replace = true, $http_response_code = null)
{
if (!is_string($string)) {
throw new \InvalidArgumentException('Response output header must be a valid string.');
}
$this->headers[] = array('string' => $string, 'replace' => $replace, 'code' => $http_response_code);
}
public function removeHeaders(array $headers)
{
foreach ($headers as $header) {
$this->removeHeader($header);
}
}
public function removeHeader($header)
{
if (!is_string($header)) {
throw new \InvalidArgumentException('Response output header must be a valid string.');
}
foreach ($this->headers as $key => $_header) {
if ($header === $_header['string']) {
unset($this->headers[$key]);
}
}
}
public function hasHeaders()
{
return !empty($this->headers);
}
public function getHeaders()
{
return $this->headers;
}
public function setHttpResponseCode($code)
{
switch ($code) {
case 100:
$text = 'Continue';
break;
case 101:
$text = 'Switching Protocols';
break;
case 200:
$text = 'OK';
break;
case 201:
$text = 'Created';
break;
case 202:
$text = 'Accepted';
break;
case 203:
$text = 'Non-Authoritative Information';
break;
case 204:
$text = 'No Content';
break;
case 205:
$text = 'Reset Content';
break;
case 206:
$text = 'Partial Content';
break;
case 300:
$text = 'Multiple Choices';
break;
case 301:
$text = 'Moved Permanently';
break;
case 302:
$text = 'Moved Temporarily';
break;
case 303:
$text = 'See Other';
break;
case 304:
$text = 'Not Modified';
break;
case 305:
$text = 'Use Proxy';
break;
case 400:
$text = 'Bad Request';
break;
case 401:
$text = 'Unauthorized';
break;
case 402:
$text = 'Payment Required';
break;
case 403:
$text = 'Forbidden';
break;
case 404:
$text = 'Not Found';
break;
case 405:
$text = 'Method Not Allowed';
break;
case 406:
$text = 'Not Acceptable';
break;
case 407:
$text = 'Proxy Authentication Required';
break;
case 408:
$text = 'Request Time-out';
break;
case 409:
$text = 'Conflict';
break;
case 410:
$text = 'Gone';
break;
case 411:
$text = 'Length Required';
break;
case 412:
$text = 'Precondition Failed';
break;
case 413:
$text = 'Request Entity Too Large';
break;
case 414:
$text = 'Request-URI Too Large';
break;
case 415:
$text = 'Unsupported Media Type';
break;
case 500:
$text = 'Internal Server Error';
break;
case 501:
$text = 'Not Implemented';
break;
case 502:
$text = 'Bad Gateway';
break;
case 503:
$text = 'Service Unavailable';
break;
case 504:
$text = 'Gateway Time-out';
break;
case 505:
$text = 'HTTP Version not supported';
break;
default:
throw new \InvalidArgumentException('Unknown http status code "' . htmlentities($code) . '"');
break;
}
$this->addHeader(Core\Router()->request->type() . ' ' . $code . ' ' . $text);
$GLOBALS['http_response_code'] = $code;
return $code;
}
}