|string the text representation with the given radix (base) * If an array of numbers is passed as an argument, then the returned result will also be an array * with the same dimensions */ public static function evaluate(mixed $number, mixed $radix, mixed $minLength = null): array|string { if (is_array($number) || is_array($radix) || is_array($minLength)) { return self::evaluateArrayArguments([self::class, __FUNCTION__], $number, $radix, $minLength); } try { $number = (float) floor(Helpers::validateNumericNullBool($number)); $radix = (int) Helpers::validateNumericNullBool($radix); } catch (Exception $e) { return $e->getMessage(); } return self::calculate($number, $radix, $minLength); } private static function calculate(float $number, int $radix, mixed $minLength): string { if ($minLength === null || is_numeric($minLength)) { if ($number < 0 || $number >= 2 ** 53 || $radix < 2 || $radix > 36) { return ExcelError::NAN(); // Numeric range constraints } $outcome = strtoupper((string) base_convert("$number", 10, $radix)); if ($minLength !== null) { $outcome = str_pad($outcome, (int) $minLength, '0', STR_PAD_LEFT); // String padding } return $outcome; } return ExcelError::VALUE(); } }