Contact::selectExisted

static function selectExisted(array $entityIDs)
{
	if(empty($entityIDs))
	{
		return array();
	}

	$dbResult = ContactTable::getList(
		array(
			'filter' => array('@ID' => $entityIDs),
			'select' => array('ID')
		)
	);

	$results = array();
	while($ary = $dbResult->fetch())
	{
		$results[] = (int)$ary['ID'];
	}
	return $results;
}