Merge branch 'issubclassof' of https://github.com/prolic/zf2

src/AutoloaderFactory.php

@@ -89,15 +89,12 @@ public static function factory($options = null)
                     );
                 }
 
-                // unfortunately is_subclass_of is broken on some 5.3 versions
-                // additionally instanceof is also broken for this use case
-                if (version_compare(PHP_VERSION, '5.3.7', '>=')) {
-                    if (!is_subclass_of($class, 'Zend\Loader\SplAutoloader')) {
-                        require_once 'Exception/InvalidArgumentException.php';
-                        throw new Exception\InvalidArgumentException(
-                            sprintf('Autoloader class %s must implement Zend\\Loader\\SplAutoloader', $class)
-                        );
-                    }
+                require_once __DIR__ . '/../Stdlib/SubClass.php';
+                if (!\Zend\Stdlib\SubClass::isSubclassOf($class, 'Zend\Loader\SplAutoloader')) {
+                    require_once 'Exception/InvalidArgumentException.php';
+                    throw new Exception\InvalidArgumentException(
+                        sprintf('Autoloader class %s must implement Zend\\Loader\\SplAutoloader', $class)
+                    );
                 }
 
                 if ($class === static::STANDARD_AUTOLOADER) {