--TEST-- Bug #41209 (Segmentation fault with ArrayAccess, set_error_handler and undefined var) --FILE-- <?php class env { public function __construct() { set_error_handler(array(__CLASS__, 'errorHandler')); } public static function errorHandler($errno, $errstr, $errfile, $errline) { throw new ErrorException($errstr, 0, $errno, $errfile, $errline); } } class cache implements ArrayAccess { private $container = array(); public function offsetGet($id) {} public function offsetSet($id, $value) {} public function offsetUnset($id) {} public function offsetExists($id) { return isset($this->containers[(string) $id]); } } $env = new env(); $cache = new cache(); var_dump(isset($cache[$id])); echo "Done\n"; ?> --EXPECTF-- Fatal error: Uncaught exception 'ErrorException' with message 'Undefined variable: id' in %s:%d Stack trace: #0 %s(%d): env::errorHandler() #1 {main} thrown in %s on line %d