Multifield::setFromExternalValues

public function setFromExternalValues(array $externalValues): void
{
	$commonFieldName = $this->getHandledFieldNames()[0];

	$externalValue = $externalValues[$commonFieldName] ?? null;
	if (!is_null($externalValue))
	{
		$current = $this->get($commonFieldName);

		Assembler::updateCollectionByArray($current, (array)$externalValue);

		$this->set($commonFieldName, $current);
	}
}