3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(hash_hmac("sha1", null, "secrete"));
Output for 5.1.2 - 7.1.0
string(40) "18f76b6ebfbf77dab8ffead5d5e500a94778edbb"
Output for 5.0.0 - 5.1.1
Fatal error: Call to undefined function hash_hmac() in /in/uq7g9 on line 3
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: hash_hmac() in /in/uq7g9 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: hash_hmac() in /in/uq7g9 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: hash_hmac() in /in/uq7g9 on line 3