3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php for( $i = 0; $i < 100; $i++ ){ echo "dupa"; }
Output for 4.3.0 - 7.2.0
dupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupadupa