--TEST-- $this re-assign in parse_str() --FILE-- <?php function foo() { parse_str("this=42"); var_dump($this); } foo(); ?> --EXPECTF-- Fatal error: Uncaught Error: Cannot re-assign $this in %sthis_in_parse_str.php:3 Stack trace: #0 %sthis_in_parse_str.php(3): parse_str('this=42') #1 %sthis_in_parse_str.php(6): foo() #2 {main} thrown in %sthis_in_parse_str.php on line 3