3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $hmac = hash_hmac("sha1", 'abcdefg', '#0123455'); $token = sprintf("%1.1s%20.20s", '0', $hmac); var_export([ $hmac, $token, sprintf("%1.1s%20.20s", '0', 'abc') ]);
based on 7Y2Ks
Output for 5.4.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
array ( 0 => 'fecf3e2a240b92a7d7eec46e8eec829d247a4abb', 1 => '0fecf3e2a240b92a7d7ee', 2 => '0 abc', )
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[', expecting ')' in /in/JBLXn on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[', expecting ')' in /in/JBLXn on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/JBLXn on line 4
Process exited with code 255.