3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class MyClass { private $foo = FALSE; public function __construct() { var_dump($this->$foo); $this->$foo = TRUE; echo($this->$foo); } } $bar = new MyClass();
based on EDEde
Output for 7.1.0
Notice: Undefined variable: foo in /in/GtNCk on line 8 Notice: Undefined property: MyClass::$ in /in/GtNCk on line 8 NULL Notice: Undefined variable: foo in /in/GtNCk on line 9 Notice: Undefined variable: foo in /in/GtNCk on line 11 1
Output for 7.0.0 - 7.0.14
Notice: Undefined variable: foo in /in/GtNCk on line 8 Fatal error: Uncaught Error: Cannot access empty property in /in/GtNCk:8 Stack trace: #0 /in/GtNCk(15): MyClass->__construct() #1 {main} thrown in /in/GtNCk on line 8
Process exited with code 255.
Output for 5.0.5 - 5.6.28
Notice: Undefined variable: foo in /in/GtNCk on line 8 Fatal error: Cannot access empty property in /in/GtNCk on line 8
Process exited with code 255.
Output for 5.0.4
Notice: Undefined variable: foo in /in/GtNCk on line 8 Notice: Undefined property: MyClass::$ in /in/GtNCk on line 8 NULL Notice: Undefined variable: foo in /in/GtNCk on line 9 Notice: Undefined variable: foo in /in/GtNCk on line 11 1
Output for 5.0.0 - 5.0.3
Notice: Undefined variable: foo in /in/GtNCk on line 8 Notice: Undefined property: MyClass::$ in /in/GtNCk on line 8 NULL Notice: Undefined variable: foo in /in/GtNCk on line 9 Notice: Undefined variable: foo in /in/GtNCk on line 11 1
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/GtNCk 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/GtNCk 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/GtNCk on line 4
Process exited with code 255.