3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $serial='h1w^r2v2rr1og^4r52mclx_b0ee^1r?x'; $input='h1w^r2v2rr1og^4r52mclx_b0ee^1r?'; if (strlen($input) != strlen($serial)) { for ($i = 0; $i < strlen($serial); $i++){ if ($i-1 == strlen($input)){ print $i; } } } ?>
Output for 4.3.0 - 5.6.30, hhvm-3.10.1 - 3.15.4, 7.0.0 - 7.3.0beta1