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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;
/**
* DataCollector.
*
* Children of this class must store the collected data in the data property.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
abstract class DataCollector implements DataCollectorInterface, \Serializable
{
protected $data;
public function serialize()
{
return serialize($this->data);
}
public function unserialize($data)
{
$this->data = unserialize($data);
}
/**
* Converts a PHP variable to a string.
*
* @param mixed $var A PHP variable
*
* @return string The string representation of the variable
*/
protected function varToString($var)
{
if (is_object($var)) {
return sprintf('Object(%s)', get_class($var));
}
if (is_array($var)) {
$a = array();
foreach ($var as $k => $v) {
$a[] = sprintf('%s => %s', $k, $this->varToString($v));
}
return sprintf("Array(%s)", implode(', ', $a));
}
if (is_resource($var)) {
return sprintf('Resource(%s)', get_resource_type($var));
}
if (null === $var) {
return 'null';
}
if (false === $var) {
return 'false';
}
if (true === $var) {
return 'true';
}
return (string) $var;
}
}
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