[PHP] n進数からm進数へ相互変換する | pc.casey.jp

PHPで16新数を10進数に HexDec("ff"); // -> 255 PHPで2-36進数を相互変換 string base_convert ( string $number , int $frombase , int $tobase ) PHPで2-36と62進数を変換 echo $res = BaseConvert::convert("99999999999999",10,36); echo "\n"; // "zg3d62r5r" echo BaseConvert::convert($res,36,10); echo "\n"; // "99999999999999" echo $res = BaseConvert::convert("99999999999999",10,62); echo "\n"; // "SOYTZ0AR" echo BaseConvert::conv