3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str1 = 'foobar'; $str2 = 'stack'; // your code $len = strlen($str1); $str = pack('V', $len) . $str1 . $str2; // unpacking $length_of_packed_string = strlen($str) - strlen($str1 . $str2); $unpacked = unpack('V', substr($str, 0, $length_of_packed_string)); print_r($unpacked);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [1] => 6 )

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

preferences:
172.54 ms | 405 KiB | 5 Q