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<?php class passwordHash { // blowfish private static $algo = '$2a'; // cost parameter private static $cost = '$10'; // mainly for internal use public static function unique_salt() { return substr(sha1(mt_rand()), 0, 22); } // this will be used to generate a hash public static function hash($password) { return crypt($password, self::$algo . self::$cost . '$' . self::unique_salt()); } // this will be used to compare a password against a hash public static function check_password($hash, $password) { $full_salt = substr($hash, 0, 29); $new_hash = crypt($password, $full_salt); return ($hash == $new_hash); } } $password = 'test'; passwordHash; print( $password );
Output for 7.2.0 - 7.2.26, 7.3.0 - 7.3.13, 7.4.0 - 7.4.1
Warning: Use of undefined constant passwordHash - assumed 'passwordHash' (this will throw an Error in a future version of PHP) in /in/nTE1n on line 33 test
Output for 5.0.0 - 5.0.5, 5.1.0 - 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
Notice: Use of undefined constant passwordHash - assumed 'passwordHash' in /in/nTE1n on line 33 test
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/nTE1n on line 6
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
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/nTE1n on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/nTE1n on line 6
Process exited with code 255.

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