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<?php $a = "meow"; $b = $a . "\0woef"; $a = hash_hmac($a, 'boegaboe'); $b = hash_hmac($b, 'boegaboe'); var_dump( strlen($a), strlen($b), password_hash($a, PASSWORD_BCRYPT, ['salt' => 'boeschrikboeschrikboe!', 'cost' => 12]), password_hash($b, PASSWORD_BCRYPT, ['salt' => 'boeschrikboeschrikboe!', 'cost' => 12]) );
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.26, 7.3.0 - 7.3.13, 7.4.0 - 7.4.1
Warning: hash_hmac() expects at least 3 parameters, 2 given in /in/efZOq on line 6 Warning: hash_hmac() expects at least 3 parameters, 2 given in /in/efZOq on line 7 Deprecated: password_hash(): Use of the 'salt' option to password_hash is deprecated in /in/efZOq on line 12 Deprecated: password_hash(): Use of the 'salt' option to password_hash is deprecated in /in/efZOq on line 13 int(0) int(0) string(60) "$2y$12$Ym9lc2NocmlrYm9lc2Nocej0ynGO1eoy2rB7ku6m9.hRZ50AiRd8G" string(60) "$2y$12$Ym9lc2NocmlrYm9lc2Nocej0ynGO1eoy2rB7ku6m9.hRZ50AiRd8G"
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Warning: hash_hmac() expects at least 3 parameters, 2 given in /in/efZOq on line 6 Warning: hash_hmac() expects at least 3 parameters, 2 given in /in/efZOq on line 7 int(0) int(0) string(60) "$2y$12$Ym9lc2NocmlrYm9lc2Nocej0ynGO1eoy2rB7ku6m9.hRZ50AiRd8G" string(60) "$2y$12$Ym9lc2NocmlrYm9lc2Nocej0ynGO1eoy2rB7ku6m9.hRZ50AiRd8G"
Output for 5.4.0 - 5.4.45
Warning: hash_hmac() expects at least 3 parameters, 2 given in /in/efZOq on line 6 Warning: hash_hmac() expects at least 3 parameters, 2 given in /in/efZOq on line 7 Fatal error: Call to undefined function password_hash() in /in/efZOq on line 12
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/efZOq on line 12
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/efZOq on line 12
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/efZOq on line 12
Process exited with code 255.

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