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<?php
namespace Jasny\Controller;
use Psr\Http\Message\ServerRequestInterface;
/**
* Controller methods to check the request
*/
trait CheckRequest
{
/**
* Get request, set for controller
*
* @return ServerRequestInterface
*/
abstract protected function getRequest();
/**
* Check if request is GET request
*
* @return boolean
*/
public function isGetRequest()
{
$method = $this->getRequest()->getMethod();
return !$method || $method === 'GET';
}
/**
* Check if request is POST request
*
* @return boolean
*/
public function isPostRequest()
{
return $this->getRequest()->getMethod() === 'POST';
}
/**
* Check if request is PUT request
*
* @return boolean
*/
public function isPutRequest()
{
return $this->getRequest()->getMethod() === 'PUT';
}
/**
* Check if request is DELETE request
*
* @return boolean
*/
public function isDeleteRequest()
{
return $this->getRequest()->getMethod() === 'DELETE';
}
/**
* Check if request is HEAD request
*
* @return boolean
*/
public function isHeadRequest()
{
return $this->getRequest()->getMethod() === 'HEAD';
}
/**
* Returns the HTTP referer if it is on the current host
*
* @return string
*/
public function getLocalReferer()
{
$request = $this->getRequest();
$referer = $request->getHeaderLine('HTTP_REFERER');
$host = $request->getHeaderLine('HTTP_HOST');
return $referer && parse_url($referer, PHP_URL_HOST) === $host ? $referer : '';
}
}
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