3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = openssl_random_pseudo_bytes(16); echo bin2hex($a)."\n";
based on anvVG
Output for 7.0.0 - 7.1.6
Fatal error: Uncaught Error: Call to undefined function openssl_random_pseudo_bytes() in /in/LZS13:3 Stack trace: #0 {main} thrown in /in/LZS13 on line 3
Process exited with code 255.
Output for hhvm-3.20.2
69ea0fbf75d1dcb9aae684fcafacef48
Output for hhvm-3.19.2
f5add25f39600ddc1318503ff9c95b3f
Output for hhvm-3.15.4
774a231d77793aeba2779bf864224874