1--TEST-- 2Bug #73350 (Exception::__toString() cause circular references) 3--FILE-- 4<?php 5$e = new Exception(); 6 7// This line cause problem :( 8// Comment it to see the difference. 9(string) $e; 10 11// This line show the clue (PHP Warning: ...). 12var_export($e); 13?> 14--EXPECTF-- 15\Exception::__set_state(array( 16 'message' => '', 17 'string' => 'Exception in %sbug73350.php:%d 18Stack trace: 19#0 {main}', 20 'code' => 0, 21 'file' => '%sbug73350.php', 22 'line' => %d, 23 'trace' => 24 array ( 25 ), 26 'previous' => NULL, 27)) 28