1--TEST-- 2Bug #68370 "unset($this)" can make the program crash 3--FILE-- 4<?php 5class C { 6 public function test() { 7 unset($this); 8 return get_defined_vars(); 9 } 10} 11$c = new C(); 12$x = $c->test(); 13print_r($x); 14unset($c, $x); 15?> 16--EXPECTF-- 17Fatal error: Cannot unset $this in %sbug68370.php on line 4 18