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run code in 150+ php & hhvm versions
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<?php class a { public $a = 'azerty'; function test($a) { $this->this = &$this; $this->a = $a; // $this->this = new a(0); } } $a = new a(10); $a->test(); var_dump($a);
Output for 7.1.0
Fatal error: Uncaught ArgumentCountError: Too few arguments to function a::test(), 0 passed in /in/X50MV on line 15 and exactly 1 expected in /in/X50MV:6 Stack trace: #0 /in/X50MV(15): a->test() #1 {main} thrown in /in/X50MV on line 6
Process exited with code 255.
Output for 5.2.14 - 5.2.17, 5.3.3 - 5.6.28, 7.0.0 - 7.0.14
Warning: Missing argument 1 for a::test(), called in /in/X50MV on line 15 and defined in /in/X50MV on line 6 Notice: Undefined variable: a in /in/X50MV on line 9 object(a)#1 (2) { ["a"]=> NULL ["this"]=> *RECURSION* }
Output for hhvm-3.12.0
Warning: test() expects exactly 1 parameter, 0 given in /in/X50MV on line 11 Notice: Undefined variable: a in /in/X50MV on line 9 object(a)#1 (2) { ["a"]=> NULL ["this"]=> *RECURSION* }
Output for hhvm-3.10.0
Warning: test() expects exactly 1 parameter, 0 given in /in/X50MV on line -1 Notice: Undefined variable: a in /in/X50MV on line -1 object(a)#1 (2) { ["a"]=> NULL ["this"]=> *RECURSION* }
Output for 5.1.0 - 5.2.13, 5.3.0 - 5.3.2
Warning: Missing argument 1 for a::test(), called in /in/X50MV on line 15 and defined in /in/X50MV on line 6 Notice: Undefined variable: a in /in/X50MV on line 9 object(a)#1 (2) { ["a"]=> NULL ["this"]=> object(a)#1 (2) { ["a"]=> NULL ["this"]=> *RECURSION* } }
Output for 5.0.0 - 5.0.5
Warning: Missing argument 1 for a::test() in /in/X50MV on line 6 object(a)#1 (2) { ["a"]=> NULL ["this"]=> object(a)#1 (2) { ["a"]=> NULL ["this"]=> *RECURSION* } }
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/X50MV on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/X50MV on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/X50MV on line 4
Process exited with code 255.