3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php //print_r(unserialize('a:1:{s:13:"introduced_by";a:3:{s:4:"date";s:10:"1998-07-31";s:6:"number";s:8:"147-ФЗ";s:7:"type_id";i:190;}}')); var_dump(unserialize('N;'));
Output for 4.3.0 - 7.2.0
NULL