+
+ /**
+ * @throws \ReflectionException When $class is not found and is required
+ */
+ private static function throwOnRequiredClass($class)
+ {
+ if (self::$autoloadedClass === $class) {
+ return;
+ }
+ $e = new \ReflectionException("Class $class not found");
+ $trace = $e->getTrace();
+ $autoloadFrame = array(
+ 'function' => 'spl_autoload_call',
+ 'args' => array($class),
+ );
+ $i = 1 + array_search($autoloadFrame, $trace, true);
+
+ if (isset($trace[$i]['function']) && !isset($trace[$i]['class'])) {
+ switch ($trace[$i]['function']) {
+ case 'get_class_methods':
+ case 'get_class_vars':
+ case 'get_parent_class':
+ case 'is_a':
+ case 'is_subclass_of':
+ case 'class_exists':
+ case 'class_implements':
+ case 'class_parents':
+ case 'trait_exists':
+ case 'defined':
+ case 'interface_exists':
+ case 'method_exists':
+ case 'property_exists':
+ case 'is_callable':
+ return;
+ }
+
+ $props = array(
+ 'file' => $trace[$i]['file'],
+ 'line' => $trace[$i]['line'],
+ 'trace' => array_slice($trace, 1 + $i),
+ );
+
+ foreach ($props as $p => $v) {
+ $r = new \ReflectionProperty('Exception', $p);
+ $r->setAccessible(true);
+ $r->setValue($e, $v);
+ }
+ }
+
+ throw $e;
+ }