3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $hex = hash('crc32b',hash('md5',hash('sha256', "ala ma kota"))); echo $hex . " " . base_convert($hex,16,37);
based on SDENZ
Output for 5.6.0 - 5.6.30, 7.0.0 - 7.3.0rc3
Warning: base_convert(): Invalid `to base' (37) in /in/Ec0WH on line 3 b7c43d6a
Output for hhvm-3.18.4 - 3.21.0
Warning: Invalid argument: Invalid tobase: 37 in /in/Ec0WH on line 3 b7c43d6a