3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class A { var $a = 5; public $bg = ['g'=>44,'h'=>55]; public function __set($name, $value) { echo $bg[$name]; if(!(isset($bg[$name]))) { throw new Exception("Cannot add new property \$$name to instance of " . __CLASS__); } } } $a=new A; echo $a->a; $a->a = 9; echo $a->a; $a->g = 88; echo $a->g;
Output for 7.0.0 - 7.1.0
59 Notice: Undefined variable: bg in /in/oUkZd on line 10 Fatal error: Uncaught Exception: Cannot add new property $g to instance of A in /in/oUkZd:13 Stack trace: #0 /in/oUkZd(23): A->__set('g', 88) #1 {main} thrown in /in/oUkZd on line 13
Process exited with code 255.
Output for hhvm-3.12.0
59 Notice: Undefined variable: bg in /in/oUkZd on line 10 Fatal error: Uncaught exception 'Exception' with message 'Cannot add new property $g to instance of A' in /in/oUkZd:13 Stack trace: #0 /in/oUkZd(23): A->__set() #1 {main}
Process exited with code 255.
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.4.0 - 5.6.28
59 Notice: Undefined variable: bg in /in/oUkZd on line 10 Fatal error: Uncaught exception 'Exception' with message 'Cannot add new property $g to instance of A' in /in/oUkZd:13 Stack trace: #0 /in/oUkZd(23): A->__set('g', 88) #1 {main} thrown in /in/oUkZd on line 13
Process exited with code 255.
Output for 5.2.16 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/oUkZd on line 6
Process exited with code 255.