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run code in 150+ php & hhvm versions
Bugs & Features
<?php $hmac = hash_hmac("sha1", 'abcdefg', '#0123455'); var_export($hmac); var_export(sprintf("%1.1s%20.20s", '0', $hmac));
based on P3hqh
Output for 5.1.2 - 7.1.0
'fecf3e2a240b92a7d7eec46e8eec829d247a4abb''0fecf3e2a240b92a7d7ee'
Output for 5.0.0 - 5.1.1
Fatal error: Call to undefined function hash_hmac() in /in/OXNau 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/OXNau 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/OXNau 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/OXNau on line 2