3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $foo = 12; $a = new $foo;
based on 4pQtK
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught Error: Class name must be a valid object or a string in /in/dY62M:3 Stack trace: #0 {main} thrown in /in/dY62M on line 3
Process exited with code 255.
Output for 5.0.0 - 5.6.28
Fatal error: Class name must be a valid object or a string in /in/dY62M on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.9
Fatal error: Cannot instantiate non-existent class: 12 in /in/dY62M on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: 12 in /in/dY62M on line 3