public static function CustomBaseConvert($sNumberInput, $sFromBaseInput = '0123456789', $sToBaseInput = '0123456789') { if ($sFromBaseInput === $sToBaseInput) { return $sNumberInput; } $mFromBase = \str_split($sFromBaseInput, 1); $mToBase = \str_split($sToBaseInput, 1); $aNumber = \str_split($sNumberInput, 1); $iFromLen = \strlen($sFromBaseInput); $iToLen = \strlen($sToBaseInput); $numberLen = \strlen($sNumberInput); $mRetVal = ''; if ($sToBaseInput === '0123456789') { $mRetVal = 0; for ($iIndex = 1; $iIndex <= $numberLen; $iIndex++) { $mRetVal = \bcadd($mRetVal, \bcmul(\array_search($aNumber[$iIndex - 1], $mFromBase), \bcpow($iFromLen, $numberLen - $iIndex))); } return $mRetVal; } if ($sFromBaseInput != '0123456789') { $sBase10 = \RainLoop\Utils::CustomBaseConvert($sNumberInput, $sFromBaseInput, '0123456789'); } else { $sBase10 = $sNumberInput; } if ($sBase10 < \strlen($sToBaseInput)) { return $mToBase[$sBase10]; } while ($sBase10 !== '0') { $mRetVal = $mToBase[\bcmod($sBase10, $iToLen)] . $mRetVal; $sBase10 = \bcdiv($sBase10, $iToLen, 0); } return $mRetVal; }