3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump($vals = explode(' ', null)); var_dump(($vals && strlen(current($vals)) > 0) ? $vals : array());
Output for 4.3.0 - 7.2.0
array(1) { [0]=> string(0) "" } array(0) { }