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<?php $hash = 5381; $name = "ChallengeScore10"; for ($i = 0; $i < strlen($name); $i++) { $hash = gmp_mul($hash, gmp_xor(33, ord($name[$i]))); } echo $name . "_h" . gmp_strval($hash);
Output for 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 - 7.4.32, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
ChallengeScore10_h336523663080265651352124291809280
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 ChallengeScore10_h336523663080265651352124291809280
Output for 7.3.32 - 7.3.33, 7.4.33, 8.0.13
Fatal error: Uncaught Error: Call to undefined function gmp_mul() in /in/NZcD3:6 Stack trace: #0 {main} thrown in /in/NZcD3 on line 6
Process exited with code 255.

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