3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class plus{ function a($a,$b) { return $c=$a+$b; } } $obj=new plus; $obj->$a(2,3); echo $a; ?>
Output for 7.0.0 - 7.1.0
Notice: Undefined variable: a in /in/eOXSK on line 9 Fatal error: Uncaught Error: Method name must be a string in /in/eOXSK:9 Stack trace: #0 {main} thrown in /in/eOXSK on line 9
Process exited with code 255.
Output for 5.0.4 - 5.6.28, hhvm-3.12.0
Notice: Undefined variable: a in /in/eOXSK on line 9 Fatal error: Method name must be a string in /in/eOXSK on line 9
Process exited with code 255.
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.0.0 - 5.0.3
Notice: Undefined variable: a in /in/eOXSK on line 9 Fatal error: Method name must be a string in /in/eOXSK on line 9
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Notice: Undefined variable: a in /in/eOXSK on line 9 Fatal error: Call to undefined method: plus->() in /in/eOXSK on line 9
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Notice: Undefined variable: a in /in/eOXSK on line 9 Fatal error: Call to undefined function: () in /in/eOXSK on line 9
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Notice: Undefined variable: a in /in/eOXSK on line 9 Fatal error: Call to undefined function: () in /in/eOXSK on line 9