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<?php
namespace PhpOffice\PhpSpreadsheet\Style\NumberFormat\Wizard;
use PhpOffice\PhpSpreadsheet\Exception;
class Scientific extends NumberBase implements Wizard
{
/**
* @param int $decimals number of decimal places to display, in the range 0-30
* @param ?string $locale Set the locale for the scientific format; or leave as the default null.
* Locale has no effect for Scientific Format values, and is retained here for compatibility
* with the other Wizards.
* If provided, Locale values must be a valid formatted locale string (e.g. 'en-GB', 'fr', uz-Arab-AF).
*
* @throws Exception If a provided locale code is not a valid format
*/
public function __construct(int $decimals = 2, ?string $locale = null)
$this->setDecimals($decimals);
$this->setLocale($locale);
}
protected function getLocaleFormat(): string
return $this->format();
public function format(): string
return sprintf('0%sE+00', $this->decimals > 0 ? '.' . str_repeat('0', $this->decimals) : null);