3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $x = 0; similar_text('abc', 'abd', $x); var_dump($x);
Output for 4.3.0 - 5.6.21, 7.0.0 - 7.1.0
float(66.666666666667)
Output for hhvm-3.10.0 - 3.12.0
float(66.666664123535)