3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = 123; $b = 123; $c = 123; $d = 123; unset($a); var_dump($a); $b = unset($b); var_dump($b); (unset)$c; var_dump($c); $d = (unset) $d; var_dump($d);
Output for 5.6.0 - 5.6.30, 7.0.0 - 7.1.7
Parse error: syntax error, unexpected 'unset' (T_UNSET) in /in/GvuRq on line 10
Process exited with code 255.
Output for hhvm-3.15.4
Fatal error: Uncaught Error: syntax error, unexpected T_UNSET in /in/GvuRq:10 Stack trace: #0 {main}
Process exited with code 255.