3v4l.org

run code in 300+ PHP versions simultaneously
<?php $hash = 'x,x/b2m5kaaj=i46+M#'; // Good URL from c4 -- Works :) // 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));
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(12) "3e7c6cd0544f" string(12) "29731d0593f1"
preferences:
201.28 ms | 406 KiB | 311 Q