3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $hash = 'x,x/b2m5kaaj=i46+M#'; // Good URL from chess-4 // user/41.02d5743c.200x200o.3e7c6cd0544f.png var_dump(substr(md5('user/41.02d5743c.200x200o.png' . $hash), 0, 12)); // Example from your mail - bad data! // user/1906698.8482bae0.200x200o.46e9c046f2d9.jpeg var_dump(substr(md5('user/1906698.8482bae0.200x200o.jpeg' . $hash), 0, 12));
based on XPXh8
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
string(12) "3e7c6cd0544f" string(12) "29731d0593f1"