3v4l.org

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<?php function getNewLetter(string $letter, int $number): string { $newOrd = (ord($letter) + $number - 65) % 26; if ($newOrd < 0) { $newOrd += 26; } return chr(65 + $newOrd); } echo getNewLetter("H", 4); echo getNewLetter("H", 26); echo getNewLetter("H", -32);
Output for 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
LHB
preferences:
114 ms | 407 KiB | 5 Q