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Response.php
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218 lines (197 loc) · 4.96 KB
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<?php
/**
*
* This file is part of mvc-rest-api for PHP.
*
*/
namespace Http;
/**
* Class Response an Http response
*
* @author Mohammad Rahmani <rto1680@gmail.com>
*
* @package Http
*/
class Response {
/**
* @var array
*/
protected $headers = [];
/**
* @var array
*/
protected $statusTexts = [
// INFORMATIONAL CODES
100 => 'Continue',
101 => 'Switching Protocols',
102 => 'Processing',
// SUCCESS CODES
200 => 'OK',
201 => 'Created',
202 => 'Accepted',
203 => 'Non-Authoritative Information',
204 => 'No Content',
205 => 'Reset Content',
206 => 'Partial Content',
207 => 'Multi-status',
208 => 'Already Reported',
// REDIRECTION CODES
300 => 'Multiple Choices',
301 => 'Moved Permanently',
302 => 'Found',
303 => 'See Other',
304 => 'Not Modified',
305 => 'Use Proxy',
306 => 'Switch Proxy', // Deprecated
307 => 'Temporary Redirect',
// CLIENT ERROR
400 => 'Bad Request',
401 => 'Unauthorized',
402 => 'Payment Required',
403 => 'Forbidden',
404 => 'Not Found',
405 => 'Method Not Allowed',
406 => 'Not Acceptable',
407 => 'Proxy Authentication Required',
408 => 'Request Time-out',
409 => 'Conflict',
410 => 'Gone',
411 => 'Length Required',
412 => 'Precondition Failed',
413 => 'Request Entity Too Large',
414 => 'Request-URI Too Long',
415 => 'Unsupported Media Type',
416 => 'Requested range not satisfiable',
417 => 'Expectation Failed',
418 => 'I\'m a teapot',
422 => 'Unprocessable Entity',
423 => 'Locked',
424 => 'Failed Dependency',
425 => 'Unordered Collection',
426 => 'Upgrade Required',
428 => 'Precondition Required',
429 => 'Too Many Requests',
431 => 'Request Header Fields Too Large',
// SERVER ERROR
500 => 'Internal Server Error',
501 => 'Not Implemented',
502 => 'Bad Gateway',
503 => 'Service Unavailable',
504 => 'Gateway Time-out',
505 => 'HTTP Version not supported',
506 => 'Variant Also Negotiates',
507 => 'Insufficient Storage',
508 => 'Loop Detected',
511 => 'Network Authentication Required',
];
/**
* @var
*/
protected $version;
/**
* @var
*/
protected $content;
/**
* Response constructor.
*/
public function __construct () {
$this->setVersion('1.1');
}
/**
* Set the Http protocol version
*
* @param string $version
*/
public function setVersion(string $version) {
$this->version = $version;
}
/**
* Get the Http protocol version
*
* @return string
*/
public function getVersion() : string {
return $this->version;
}
/**
* Get the status code text.
*
* @param int $code
* @return string
*/
public function getStatusCodeText(int $code) : string {
return (string) isset($this->statusTexts[$code]) ? $this->statusTexts[$code] : 'unknown status';
}
/**
* Set the response Headers.
*
* @param $header
*/
public function setHeader(String $header) {
$this->headers[] = $header;
}
/**
* Get the response Headers.
*
* @return array
*/
public function getHeader() {
return $this->headers;
}
/**
* Set content response.
*
* @param $content
*/
public function setContent($content) {
$this->content = json_encode($content);
}
/**
* Get content response.
*
* @return mixed
*/
public function getContent() {
return $this->content;
}
/**
* @param $url
*/
public function redirect($url) {
if (empty($url)) {
trigger_error('Cannot redirect to an empty URL.');
exit;
}
header('Location: ' . str_replace(array('&', "\n", "\r"), array('&','', ''), $url), true, 302);
exit();
}
/**
* check status code is invalid
*
* @return bool
*/
public function isInvalid(int $statusCode) : bool {
return $statusCode < 100 || $statusCode >= 600;
}
public function sendStatus($code) {
if (!$this->isInvalid($code)) {
$this->setHeader(sprintf('HTTP/1.1 ' . $code . ' %s' , $this->getStatusCodeText($code)));
}
}
/**
* Render Output
*/
public function render() {
if ($this->content) {
$output = $this->content;
// Headers
if (!headers_sent()) {
foreach ($this->headers as $header) {
header($header, true);
}
}
echo $output;
}
}
}