3v4l.org

run code in 300+ PHP versions simultaneously
<?php class y { private $ppp = 123; } class x { public function __construct() { $x =& $this; $x = new y; var_dump(get_class($this)); var_dump(&$this); } } new x;
Output for 5.4.0 - 5.4.31
Fatal error: Call-time pass-by-reference has been removed in /in/MlHEA on line 10
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Deprecated: Call-time pass-by-reference has been deprecated in /in/MlHEA on line 10 string(1) "y" &object(y)#2 (1) { ["ppp":"y":private]=> int(123) }
Output for 5.2.7 - 5.2.17
Warning: Call-time pass-by-reference has been deprecated in /in/MlHEA on line 10 string(1) "y" &object(y)#2 (1) { ["ppp:private"]=> int(123) }
Output for 5.2.5 - 5.2.6
Warning: Call-time pass-by-reference has been deprecated; If you would like to pass it by reference, modify the declaration of var_dump(). If you would like to enable call-time pass-by-reference, you can set allow_call_time_pass_reference to true in your INI file in /in/MlHEA on line 10 string(1) "y" &object(y)#2 (1) { ["ppp:private"]=> int(123) }
Output for 5.2.1 - 5.2.4
Warning: Call-time pass-by-reference has been deprecated; If you would like to pass it by reference, modify the declaration of var_dump(). If you would like to enable call-time pass-by-reference, you can set allow_call_time_pass_reference to true in your INI file. in /in/MlHEA on line 10 string(1) "y" &object(y)#2 (1) { ["ppp:private"]=> int(123) }
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0
Warning: Call-time pass-by-reference has been deprecated - argument passed by value; If you would like to pass it by reference, modify the declaration of var_dump(). If you would like to enable call-time pass-by-reference, you can set allow_call_time_pass_reference to true in your INI file. However, future versions may not support this any longer. in /in/MlHEA on line 10 string(1) "y" &object(y)#2 (1) { ["ppp:private"]=> int(123) }
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/MlHEA on line 2
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/MlHEA on line 2
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/MlHEA on line 2
Process exited with code 255.

preferences:
217.97 ms | 1395 KiB | 122 Q