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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Form\Util;
use Symfony\Component\HttpFoundation\RequestStack;
/**
* @author Bernhard Schussek <bschussek@gmail.com>
*/
class ServerParams
{
private $requestStack;
public function __construct(RequestStack $requestStack = null)
{
$this->requestStack = $requestStack;
}
/**
* Returns true if the POST max size has been exceeded in the request.
*
* @return bool
*/
public function hasPostMaxSizeBeenExceeded()
{
$contentLength = $this->getContentLength();
$maxContentLength = $this->getPostMaxSize();
return $maxContentLength && $contentLength > $maxContentLength;
}
/**
* Returns maximum post size in bytes.
*
* @return int|null The maximum post size in bytes
*/
public function getPostMaxSize()
{
$iniMax = strtolower($this->getNormalizedIniPostMaxSize());
if ('' === $iniMax) {
return;
}
$max = ltrim($iniMax, '+');
if (0 === strpos($max, '0x')) {
$max = \intval($max, 16);
} elseif (0 === strpos($max, '0')) {
$max = \intval($max, 8);
} else {
$max = (int) $max;
}
switch (substr($iniMax, -1)) {
case 't': $max *= 1024;
// no break
case 'g': $max *= 1024;
// no break
case 'm': $max *= 1024;
// no break
case 'k': $max *= 1024;
}
return $max;
}
/**
* Returns the normalized "post_max_size" ini setting.
*
* @return string
*/
public function getNormalizedIniPostMaxSize()
{
return strtoupper(trim(ini_get('post_max_size')));
}
/**
* Returns the content length of the request.
*
* @return mixed The request content length
*/
public function getContentLength()
{
if (null !== $this->requestStack && null !== $request = $this->requestStack->getCurrentRequest()) {
return $request->server->get('CONTENT_LENGTH');
}
return isset($_SERVER['CONTENT_LENGTH'])
? (int) $_SERVER['CONTENT_LENGTH']
: null;
}
}
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