3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo hash_hmac('sha256', 'Foo data', 'secret_key').PHP_EOL; echo hash_hmac('sha256', 'Foo data', '').PHP_EOL; echo hash_hmac('sha256', 'Foo data', null).PHP_EOL;
Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
311edc9ee1d2717f5ef678e454b2e267ef55a184acb8cf0d33f8dc852beead9e 01eded85b45d0207ca11339a7ae0f3ba8424ffe3a6b97949ab1e560ecf4bb142 Deprecated: hash_hmac(): Passing null to parameter #3 ($key) of type string is deprecated in /in/AF998 on line 5 01eded85b45d0207ca11339a7ae0f3ba8424ffe3a6b97949ab1e560ecf4bb142
Output for 5.5.0 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
311edc9ee1d2717f5ef678e454b2e267ef55a184acb8cf0d33f8dc852beead9e 01eded85b45d0207ca11339a7ae0f3ba8424ffe3a6b97949ab1e560ecf4bb142 01eded85b45d0207ca11339a7ae0f3ba8424ffe3a6b97949ab1e560ecf4bb142
preferences:
153.35 ms | 409 KiB | 5 Q