--TEST-- Bug #73350 (Exception::__toString() cause circular references) --FILE-- <?php $e = new Exception(); // This line cause problem :( // Comment it to see the difference. (string) $e; // This line show the clue (PHP Warning: ...). var_export($e); ?> --EXPECTF-- Exception::__set_state(array( 'message' => '', 'string' => 'Exception in %sbug73350.php:%d Stack trace: #0 {main}', 'code' => 0, 'file' => '%sbug73350.php', 'line' => %d, 'trace' => array ( ), 'previous' => NULL, ))