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<?php class x { public function __construct() { $x += $this; $x = new stdClass; var_dump($this); } } var_dump(new x);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Warning: Undefined variable $x in /in/0bkuR on line 7 Fatal error: Uncaught TypeError: Unsupported operand types: null + x in /in/0bkuR:7 Stack trace: #0 /in/0bkuR(13): x->__construct() #1 {main} thrown in /in/0bkuR on line 7
Process exited with code 255.
Output for 7.3.12 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: x in /in/0bkuR on line 7 Notice: Object of class x could not be converted to number in /in/0bkuR on line 7 object(x)#1 (0) { } object(x)#1 (0) { }
Output for 7.3.32 - 7.3.33
object(x)#1 (0) { } object(x)#1 (0) { }
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33
Notice: Undefined variable: x in /in/0bkuR on line 7 Notice: Object of class x could not be converted to int in /in/0bkuR on line 7 object(x)#1 (0) { } object(x)#1 (0) { }
Output for 5.0.4 - 5.0.5
Notice: Undefined variable: x in /in/0bkuR on line 7 Fatal error: Unsupported operand types in /in/0bkuR on line 7
Process exited with code 255.
Output for 5.0.0 - 5.0.3
Notice: Undefined variable: x in /in/0bkuR on line 7 Fatal error: Unsupported operand types in /in/0bkuR on line 7
Process exited with code 255.
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/0bkuR on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/0bkuR on line 5
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/0bkuR on line 5
Process exited with code 255.

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