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<?php
namespace MvcCore;
class Response
{
const OK = 200;
const MOVED_PERMANENTLY = 301;
const SEE_OTHER = 303;
const NOT_FOUND = 404;
const INTERNAL_SERVER_ERROR = 500;
public static $CodeMessages = array(
self::OK => 'OK',
self::MOVED_PERMANENTLY => 'Moved Permanently',
self::SEE_OTHER => 'See Other',
self::NOT_FOUND => 'Not Found',
self::INTERNAL_SERVER_ERROR => 'Internal Server Error',
);
public $Code = self::OK;
public $Headers = array();
public $Body = '';
public static function GetInstance ($code = self::OK, $headers = array(), $body = '') {
$responseClass = \MvcCore::GetInstance()->GetResponseClass();
return new $responseClass($code, $headers, $body);
}
public function __construct ($code = self::OK, $headers = array(), $body = '') {
$this->Code = $code;
$this->Headers = $headers;
$this->Body = $body;
}
public function SetCode ($code) {
$this->Code = $code;
return $this;
}
public function SetHeader ($name, $value) {
header($name . ": " . $value);
$this->Headers[$name] = $value;
return $this;
}
public function SetBody ($body) {
$this->Body = & $body;
return $this;
}
public function PrependBody ($body) {
$this->Body = $body . $this->Body;
return $this;
}
public function AppendBody ($body) {
$this->Body .= $body;
return $this;
}
public function UpdateHeaders () {
$rawHeaders = headers_list();
$name = '';
$value = '';
foreach ($rawHeaders as $rawHeader) {
$doubleDotPos = strpos($rawHeader, ':');
if ($doubleDotPos !== FALSE) {
$name = trim(substr($rawHeader, 0, $doubleDotPos));
$value = trim(substr($rawHeader, $doubleDotPos + 1));
} else {
$name = $rawHeader;
$value = '';
}
$this->Headers[$name] = $value;
}
}
public function IsRedirect () {
return isset($this->Headers['Location']);
}
public function IsHtmlOutput () {
if (isset($this->Headers['Content-Type'])) {
$value = $this->Headers['Content-Type'];
return strpos($value, 'text/html') !== FALSE || strpos($value, 'application/xhtml+xml') !== FALSE;
}
return FALSE;
}
public function Send () {
if (!headers_sent()) {
$code = $this->Code;
$status = isset(static::$CodeMessages[$code]) ? ' ' . static::$CodeMessages[$code] : '';
header("HTTP/1.0 $code $status");
foreach ($this->Headers as $name => $value) {
header($name . ": " . $value);
}
$this->addTimeAndMemoryHeader();
}
echo $this->Body;
}
protected function addTimeAndMemoryHeader () {
$mtBegin = \MvcCore::GetInstance()->GetMicrotime();
$time = number_format((microtime(TRUE) - $mtBegin) * 1000, 1, '.', ' ');
$ram = function_exists('memory_get_peak_usage') ? number_format(memory_get_peak_usage() / 1000000, 2, '.', ' ') : 'n/a';
header("X-MvcCore-Cpu-Ram: $time ms, $ram MB");
}
}