3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $x = "2d0"; for($i = 0; $i < 50; $i++) { echo $x++; }
Output for 4.3.0 - 7.2.0
2d02d12d22d32d42d52d62d72d82d92e034567891011121314151617181920212223242526272829303132333435363738394041