*/ 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 array_values(self::$runtimeVendors) === array_values($this->vendors); } /** * @internal */ public function serialize() { return serialize($this->vendors); } /** * @internal */ public function unserialize($serialized) { $this->vendors = unserialize($serialized); } private static function refresh() { self::$runtimeVendors = []; 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'); } } } } }