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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\MathTrig;
use PhpOffice\PhpSpreadsheet\Calculation\ArrayEnabled;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Information\ExcelError;
class Base
{
use ArrayEnabled;
/**
* BASE.
*
* Converts a number into a text representation with the given radix (base).
*
* Excel Function:
* BASE(Number, Radix [Min_length])
*
* @param mixed $number expect float
* Or can be an array of values
* @param mixed $radix expect float
* Or can be an array of values
* @param mixed $minLength expect int or null
* Or can be an array of values
*
* @return array|string the text representation with the given radix (base)
* If an array of numbers is passed as an argument, then the returned result will also be an array
* with the same dimensions
*/
public static function evaluate($number, $radix, $minLength = null)
{
if (is_array($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);
}
/**
* @param mixed $minLength
*/
private static function calculate(float $number, int $radix, $minLength): string
{
if ($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();
}
}
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