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run code in 150+ php & hhvm versions
Bugs & Features
<?php echo generateKey(); function generateKey() { return base64encode(randBuffer(48)); } function base64encode($buf) { $enc = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_"; return $enc; } function randBuffer($n) { return openssl_random_pseudo_bytes($n); }
Output for 5.4.34 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.0.0 - 5.4.32
Fatal error: Call to undefined function openssl_random_pseudo_bytes() in /in/XaBYd on line 15
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: openssl_random_pseudo_bytes() in /in/XaBYd on line 15
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: openssl_random_pseudo_bytes() in /in/XaBYd on line 15
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: openssl_random_pseudo_bytes() in /in/XaBYd on line 15