3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = 1; $b = $a+ + + $a; var_dump($b); $b = $a- - -$a; var_dump($b);
based on ikVCK
Output for 5.6.0 - 5.6.30, hhvm-3.18.4 - 3.21.0, 7.0.0 - 7.3.0beta1
int(2) int(0)