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<?php $ctx = hash_init( 'sha256', HASH_HMAC, "\0" ); var_dump(hash_final($ctx, true)); var_dump(hash_final($ctx, true));
Output for 8.1.25 - 8.1.28, 8.2.12 - 8.2.18, 8.3.0 - 8.3.6
string(32) "�g���w/��x�_��ēqVS��B�ŭ" Fatal error: Uncaught TypeError: hash_final(): Argument #1 ($context) must be a valid, non-finalized HashContext in /in/6fMj0:5 Stack trace: #0 /in/6fMj0(5): hash_final(Object(HashContext), true) #1 {main} thrown in /in/6fMj0 on line 5
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.24, 8.2.0 - 8.2.11
string(32) "�g���w/��x�_��ēqVS��B�ŭ" Fatal error: Uncaught TypeError: hash_final(): Argument #1 ($context) must be a valid Hash Context resource in /in/6fMj0:5 Stack trace: #0 /in/6fMj0(5): hash_final(Object(HashContext), true) #1 {main} thrown in /in/6fMj0 on line 5
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
string(32) "�g���w/��x�_��ēqVS��B�ŭ" Warning: hash_final(): supplied resource is not a valid Hash Context resource in /in/6fMj0 on line 5 NULL
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25
string(32) "�g���w/��x�_��ēqVS��B�ŭ" Warning: hash_final(): supplied resource is not a valid Hash Context resource in /in/6fMj0 on line 5 bool(false)
Output for 5.2.3 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
string(32) "�g���w/��x�_��ēqVS��B�ŭ" Warning: hash_final(): 4 is not a valid Hash Context resource in /in/6fMj0 on line 5 bool(false)
Output for 5.1.2 - 5.1.6, 5.2.0 - 5.2.2
string(32) "�g���w/��x�_��ēqVS��B�ŭ" Warning: hash_final(): 1 is not a valid Hash Context resource in /in/6fMj0 on line 5 bool(false)
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.1
Fatal error: Call to undefined function hash_init() in /in/6fMj0 on line 3
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: hash_init() in /in/6fMj0 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_init() in /in/6fMj0 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: hash_init() in /in/6fMj0 on line 3

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