3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function foo(){ (function($x) use ($y) {$y=3; return $y+$x;})(5); return $y; } var_dump(foo());
Output for 7.0.0 - 7.2.0
Notice: Undefined variable: y in /in/SnNiK on line 4 Notice: Undefined variable: y in /in/SnNiK on line 6 NULL
Output for 5.3.18 - 5.6.28
Parse error: syntax error, unexpected '(' in /in/SnNiK on line 5
Process exited with code 255.