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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\VarDumper\Caster\CutStub;
use Symfony\Component\VarDumper\Caster\ReflectionCaster;
use Symfony\Component\VarDumper\Cloner\ClonerInterface;
use Symfony\Component\VarDumper\Cloner\Data;
use Symfony\Component\VarDumper\Cloner\Stub;
use Symfony\Component\VarDumper\Cloner\VarCloner;
/**
* DataCollector.
*
* Children of this class must store the collected data in the data property.
*
* @author Fabien Potencier <fabien@symfony.com>
* @author Bernhard Schussek <bschussek@symfony.com>
*/
abstract class DataCollector implements DataCollectorInterface
{
/**
* @var array|Data
*/
protected $data = [];
/**
* @var ClonerInterface
*/
private $cloner;
/**
* Converts the variable into a serializable Data instance.
*
* This array can be displayed in the template using
* the VarDumper component.
*
* @param mixed $var
*
* @return Data
*/
protected function cloneVar($var)
{
if ($var instanceof Data) {
return $var;
}
if (null === $this->cloner) {
$this->cloner = new VarCloner();
$this->cloner->setMaxItems(-1);
$this->cloner->addCasters($this->getCasters());
}
return $this->cloner->cloneVar($var);
}
/**
* @return callable[] The casters to add to the cloner
*/
protected function getCasters()
{
$casters = [
'*' => function ($v, array $a, Stub $s, $isNested) {
if (!$v instanceof Stub) {
foreach ($a as $k => $v) {
if (\is_object($v) && !$v instanceof \DateTimeInterface && !$v instanceof Stub) {
$a[$k] = new CutStub($v);
}
}
}
return $a;
},
] + ReflectionCaster::UNSET_CLOSURE_FILE_INFO;
return $casters;
}
/**
* @return array
*/
public function __sleep()
{
return ['data'];
}
public function __wakeup()
{
}
/**
* @internal to prevent implementing \Serializable
*/
final protected function serialize()
{
}
/**
* @internal to prevent implementing \Serializable
*/
final protected function unserialize($data)
{
}
}