EntityBindingMerger::getMappedIDs

protected function getMappedIDs(array $map);

public function merge(array &$seeds, array &$targ, $skipEmpty = false, array $options = array())
{
	$resultSeedBindings = array();
	$effectiveIDs = null;

	$map = null;
	if(isset($options['map']) && is_array($options['map']))
	{
		$map = $options['map'];
	}

	$sourceIDs = is_array($map) ? $this->getMappedIDs($map) : null;
	if(is_array($sourceIDs))
	{
		$effectiveIDs = array();
		if(isset($targ['ID']))
		{
			$effectiveIDs[] = (int)$targ['ID'];
		}

		foreach($seeds as $seed)
		{
			if(isset($seed['ID']))
			{
				$effectiveIDs[] = (int)$seed['ID'];
			}
		}

		$effectiveIDs = array_intersect($sourceIDs, $effectiveIDs);
	}

	foreach($seeds as $seed)
	{
		$seedID = isset($seed['ID']) ? (int)$seed['ID'] : 0;
		if($effectiveIDs !== null && !in_array($seedID, $effectiveIDs))
		{
			continue;
		}

		$seedBindings = $this->getBindings($seed);
		if($seedBindings !== null)
		{
			EntityMerger::mergeEntityBindings(
				$this->entityTypeID,
				$seedBindings,
				$resultSeedBindings
			);
		}
	}

	$targID = isset($targ['ID']) ? (int)$targ['ID'] : 0;
	if($effectiveIDs !== null)
	{
		$targBindings = null;
		if(in_array($targID, $effectiveIDs))
		{
			$targBindings = $this->getBindings($targ);
		}

		if($targBindings === null || count($targBindings) === 0)
		{
			$targBindings = $resultSeedBindings;
		}
		else
		{
			EntityMerger::mergeEntityBindings(
				$this->entityTypeID,
				$resultSeedBindings,
				$targBindings
			);
		}

		$targ[$this->bindingFieldName] = $targBindings;
	}
	else if(!empty($resultSeedBindings))
	{
		$targBindings = $this->getBindings($targ);
		$skipMultipleFields = isset($options['SKIP_MULTIPLE_USER_FIELDS']) && $options['SKIP_MULTIPLE_USER_FIELDS'];
		if(!$skipMultipleFields)
		{
			if($targBindings === null || count($targBindings) === 0)
			{
				$targBindings = $resultSeedBindings;
			}
			else
			{
				EntityMerger::mergeEntityBindings(
					$this->entityTypeID,
					$resultSeedBindings,
					$targBindings
				);
			}

			$targ[$this->bindingFieldName] = $targBindings;
		}
		elseif($targBindings === null || (count($targBindings) === 0 && !$skipEmpty))
		{
			$targ[$this->bindingFieldName] = $resultSeedBindings;
		}
	}

	if($this->identityFieldName !== '' && isset($targ[$this->bindingFieldName]))
	{
		$targ[$this->identityFieldName] = Crm\Binding\EntityBinding::prepareEntityIDs(
			$this->entityTypeID,
			$targ[$this->bindingFieldName]
		);
	}
}