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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\Config\Resource;
/**
* ComposerResource tracks the PHP version and Composer dependencies.
*
* @author Nicolas Grekas <p@tchwork.com>
*/
class ComposerResource implements SelfCheckingResourceInterface, \Serializable
{
private $vendors;
private static $runtimeVendors;
public function __construct()
{
self::refresh();
$this->vendors = self::$runtimeVendors;
}
public function getVendors()
{
return array_keys($this->vendors);
}
/**
* {@inheritdoc}
*/
public function __toString()
{
return __CLASS__;
}
/**
* {@inheritdoc}
*/
public function isFresh($timestamp)
{
self::refresh();
return self::$runtimeVendors === $this->vendors;
}
public function serialize()
{
return serialize($this->vendors);
}
public function unserialize($serialized)
{
$this->vendors = unserialize($serialized);
}
private static function refresh()
{
self::$runtimeVendors = array();
foreach (get_declared_classes() as $class) {
if ('C' === $class[0] && 0 === strpos($class, 'ComposerAutoloaderInit')) {
$r = new \ReflectionClass($class);
$v = dirname(dirname($r->getFileName()));
if (file_exists($v.'/composer/installed.json')) {
self::$runtimeVendors[$v] = @filemtime($v.'/composer/installed.json');
}
}
}
}
}