3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $pos = strpos('xyz','a'); echo isset($pos); echo $pos !== false; echo "'$pos'";
Output for 4.3.0 - 5.6.38, hhvm-3.10.1 - 3.22.0, 7.0.0 - 7.3.0rc4
1''