private function doResolveClass($class)
    {
        foreach ($this->map as $mapClass => $value) {
            if (!$value) {
                continue;
            }

            if ($class === $mapClass || is_subclass_of($class, $mapClass)) {
                return $value;
            }
        }

        return false;
    }
private function doResolveClass($class)
    {
        foreach ($this->map as $mapClass => $value) {
            if (!$value) {
                continue;
            }

            if ($class === $mapClass || is_subclass_of($class, $mapClass)) {
                return $value;
            }
        }

        return false;
    }
private function doResolveClass ( $ class ) { foreach ( $ this -> map as $ mapClass => $ value ) { if ( ! $ value ) { continue ; } if ( $ class === $ mapClass || is_subclass_of ( $ class , $ mapClass ) ) { return $ value ; } } return false ; }
Resolves the value corresponding to an exception class.

@param string $class

@return mixed|false if not found
Resolves the value corresponding to an exception class .