3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = 'ssssssssssssssssssssssssssss'; //for($i = 0; $i < 1000000; $i++) // $a .= 'f'; echo strlen($a); ?>
Output for 4.3.0 - 7.2.0
28