3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
Predict the output of the following program code? <?php $i=1; $j=2; $s= $i+$j; echo $s; ?>
based on OCXMH
Output for 5.6.0 - 5.6.30, hhvm-3.18.5 - 3.22.0, 7.1.0 - 7.3.0beta1
Predict the output of the following program code? 3