3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $data = pack('v', '18000000'); $data = unpack('v', $data); var_dump($data); $data = bin2hex($data[0]); var_dump($data); echo PHP_EOL;
based on IatDb
Output for 5.6.0 - 7.3.0alpha1
array(1) { [1]=> int(43136) } Notice: Undefined offset: 0 in /in/CT95A on line 6 string(0) ""