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<?php var_dump(hash_hmac('sha256', array(), 'secret'));
Output for 8.0.0 - 8.0.12, 8.1rc1 - rc3
Fatal error: Uncaught TypeError: hash_hmac(): Argument #2 ($data) must be of type string, array given in /in/7QtjC:3 Stack trace: #0 /in/7QtjC(3): hash_hmac('sha256', Array, 'secret') #1 {main} thrown in /in/7QtjC on line 3
Process exited with code 255.
Output for 5.1.2 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.25
Warning: hash_hmac() expects parameter 2 to be string, array given in /in/7QtjC on line 3 NULL
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.1
Fatal error: Call to undefined function hash_hmac() in /in/7QtjC 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/7QtjC on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: hash_hmac() in /in/7QtjC on line 3
Process exited with code 255.
Output for 4.3.1
Fatal error: Call to undefined function: hash_hmac() in /in/7QtjC on line 3

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