3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php print hash_hmac('sha1', data, 'a'); print hash_hmac('sha1', data, 'ab');
Output for 5.1.2 - 5.6.28, hhvm-3.10.0, 7.0.0 - 7.1.0
Notice: Use of undefined constant data - assumed 'data' in /in/OZ0JQ on line 2 c613277e46580119cd79d57b47525f7b9d4c029f Notice: Use of undefined constant data - assumed 'data' in /in/OZ0JQ on line 3 e85696a7eaf207bdbd26ba00ed05adc89e9f50be
Output for hhvm-3.12.0
Notice: Use of undefined constant data - assumed 'data' in /in/OZ0JQ on line -1 c613277e46580119cd79d57b47525f7b9d4c029f Notice: Use of undefined constant data - assumed 'data' in /in/OZ0JQ on line -1 e85696a7eaf207bdbd26ba00ed05adc89e9f50be
Output for 5.0.0 - 5.1.1
Fatal error: Call to undefined function hash_hmac() in /in/OZ0JQ on line 2
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: hash_hmac() in /in/OZ0JQ on line 2
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: hash_hmac() in /in/OZ0JQ on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: hash_hmac() in /in/OZ0JQ on line 2