Current File : /var/www/html/news/vendor/symfony/http-kernel/DataCollector/DataCollector.php
<?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\HttpKernel\DataCollector\Util\ValueExporter;
use Symfony\Component\VarDumper\Caster\ClassStub;
use Symfony\Component\VarDumper\Caster\LinkStub;
use Symfony\Component\VarDumper\Caster\StubCaster;
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, \Serializable
{
protected $data = array();
/**
* @var ValueExporter
*/
private $valueExporter;
/**
* @var ClonerInterface
*/
private $cloner;
private static $stubsCache = array();
public function serialize()
{
return serialize($this->data);
}
public function unserialize($data)
{
$this->data = unserialize($data);
}
/**
* 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 (null === $this->cloner) {
if (class_exists(ClassStub::class)) {
$this->cloner = new VarCloner();
$this->cloner->setMaxItems(250);
$this->cloner->addCasters(array(
Stub::class => function (Stub $v, array $a, Stub $s, $isNested) {
return $isNested ? $a : StubCaster::castStub($v, $a, $s, true);
},
));
} else {
@trigger_error(sprintf('Using the %s() method without the VarDumper component is deprecated since version 3.2 and won\'t be supported in 4.0. Install symfony/var-dumper version 3.2 or above.', __METHOD__), E_USER_DEPRECATED);
$this->cloner = false;
}
}
if (false === $this->cloner) {
if (null === $this->valueExporter) {
$this->valueExporter = new ValueExporter();
}
return $this->valueExporter->exportValue($var);
}
return $this->cloner->cloneVar($this->decorateVar($var));
}
/**
* Converts a PHP variable to a string.
*
* @param mixed $var A PHP variable
*
* @return string The string representation of the variable
*
* @deprecated Deprecated since version 3.2, to be removed in 4.0. Use cloneVar() instead.
*/
protected function varToString($var)
{
@trigger_error(sprintf('The %s() method is deprecated since version 3.2 and will be removed in 4.0. Use cloneVar() instead.', __METHOD__), E_USER_DEPRECATED);
if (null === $this->valueExporter) {
$this->valueExporter = new ValueExporter();
}
return $this->valueExporter->exportValue($var);
}
private function decorateVar($var)
{
if (is_array($var)) {
if (isset($var[0], $var[1]) && is_callable($var)) {
return ClassStub::wrapCallable($var);
}
foreach ($var as $k => $v) {
if ($v !== $d = $this->decorateVar($v)) {
$var[$k] = $d;
}
}
return $var;
}
if (is_string($var)) {
if (isset(self::$stubsCache[$var])) {
return self::$stubsCache[$var];
}
if (false !== strpos($var, '\\')) {
$c = (false !== $i = strpos($var, '::')) ? substr($var, 0, $i) : $var;
if (class_exists($c, false) || interface_exists($c, false) || trait_exists($c, false)) {
return self::$stubsCache[$var] = new ClassStub($var);
}
}
if (false !== strpos($var, DIRECTORY_SEPARATOR) && false === strpos($var, '://') && false === strpos($var, "\0") && @is_file($var)) {
return self::$stubsCache[$var] = new LinkStub($var);
}
}
return $var;
}
}
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