3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $b = 0; while($b< 3) { $b = array(); $b['loop'] = $b; print_r($b['loop']); $b++; } ?>
based on hmNYE
Output for 4.3.0 - 5.0.5, 5.2.6 - 7.2.0
Array ( )
Output for 5.1.0 - 5.2.5
Array ( [loop] => Array *RECURSION* )