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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Engineering;
use PhpOffice\PhpSpreadsheet\Calculation\ArrayEnabled;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
use PhpOffice\PhpSpreadsheet\Calculation\Information\ExcelError;
abstract class ConvertBase
{
use ArrayEnabled;
protected static function validateValue($value): string
{
if (is_bool($value)) {
if (Functions::getCompatibilityMode() !== Functions::COMPATIBILITY_OPENOFFICE) {
throw new Exception(ExcelError::VALUE());
}
$value = (int) $value;
}
if (is_numeric($value)) {
if (Functions::getCompatibilityMode() == Functions::COMPATIBILITY_GNUMERIC) {
$value = floor((float) $value);
}
}
return strtoupper((string) $value);
}
protected static function validatePlaces($places = null): ?int
{
if ($places === null) {
return $places;
}
if (is_numeric($places)) {
if ($places < 0 || $places > 10) {
throw new Exception(ExcelError::NAN());
}
return (int) $places;
}
throw new Exception(ExcelError::VALUE());
}
/**
* Formats a number base string value with leading zeroes.
*
* @param string $value The "number" to pad
* @param ?int $places The length that we want to pad this value
*
* @return string The padded "number"
*/
protected static function nbrConversionFormat(string $value, ?int $places): string
{
if ($places !== null) {
if (strlen($value) <= $places) {
return substr(str_pad($value, $places, '0', STR_PAD_LEFT), -10);
}
return ExcelError::NAN();
}
return substr($value, -10);
}
}
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