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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\HttpKernel\DataCollector;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
/**
* MemoryDataCollector.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class MemoryDataCollector extends DataCollector implements LateDataCollectorInterface
{
public function __construct()
{
$this->reset();
}
/**
* {@inheritdoc}
*/
public function collect(Request $request, Response $response, \Exception $exception = null)
{
$this->updateMemoryUsage();
}
/**
* {@inheritdoc}
*/
public function reset()
{
$this->data = [
'memory' => 0,
'memory_limit' => $this->convertToBytes(ini_get('memory_limit')),
];
}
/**
* {@inheritdoc}
*/
public function lateCollect()
{
$this->updateMemoryUsage();
}
/**
* Gets the memory.
*
* @return int The memory
*/
public function getMemory()
{
return $this->data['memory'];
}
/**
* Gets the PHP memory limit.
*
* @return int The memory limit
*/
public function getMemoryLimit()
{
return $this->data['memory_limit'];
}
/**
* Updates the memory usage data.
*/
public function updateMemoryUsage()
{
$this->data['memory'] = memory_get_peak_usage(true);
}
/**
* {@inheritdoc}
*/
public function getName()
{
return 'memory';
}
private function convertToBytes($memoryLimit)
{
if ('-1' === $memoryLimit) {
return -1;
}
$memoryLimit = strtolower($memoryLimit);
$max = strtolower(ltrim($memoryLimit, '+'));
if (0 === strpos($max, '0x')) {
$max = \intval($max, 16);
} elseif (0 === strpos($max, '0')) {
$max = \intval($max, 8);
} else {
$max = (int) $max;
}
switch (substr($memoryLimit, -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;
}
}
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