3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php trait Foo { public $hidden; function hide() { $hidden = $this; unset($this); } function __call($name, $arguments) { echo 'hello from overload'; } } class Bar { use Foo; function hello() { echo 'hello from bar'; } } $foo = new Bar(); $foo->hello();
Output for 7.1.0
Fatal error: Cannot unset $this in /in/a40NC on line 10
Process exited with code 255.
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.0.14
hello from bar
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected T_STRING in /in/a40NC on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING in /in/a40NC on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/a40NC on line 3
Process exited with code 255.