3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $array = array( '1' => 'elem 1'); $str = serialize($array); print_r($str);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
a:1:{i:1;s:6:"elem 1";}