3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $x = ' Z Z'; var_dump(++$x); ?>
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
string(4) " Z A"