3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $hexstream = array(); for ($i = 0; $i < 23; $i++) $hexstream['pack'][$i] = pack('v', $i); echo $hexstream['pack'];
Output for 5.4.0 - 5.6.30, hhvm-3.10.1 - 3.17.3, 7.0.0 - 7.1.7
Notice: Array to string conversion in /in/pfkqu on line 5 Array
Output for 4.3.0 - 5.3.29
Array