Function failing and no error was given

function getOffers(){
	global $modx;
	$select = $modx->newQuery('Offers');
		$select->select($modx->getSelectColumns('Accomodations', 'Countries'));
			$select->select(array(
			'Countries.naam as countryName',
			'Countries.alias as countryAlias',
			'Accomodations.naam as accomodationName',
			'Accomodations.plaats',
			'Accomodations.intro',
			'Accomodations.alias',
			'Accomodations.klm',
			'Accomodations.soort',
			'Accomodations.vanafPrijs',
			'Accomodations.offer_price',
			'Accomodations.numberDays',
			'Accomodations.klasse',
			'Accomodations.thumbnail',
			'Accomodations.code',
			));
			
			$select->leftJoin('Offers','Accomodations', 'Offers.idAccomodation = Accomodations.id');
			$select->leftJoin('Countries', 'Accomodations', 'countries.id = accomodations.land_id');
			
			$select->where(array(
			'active' => 1,
			));
			
			$select->groupby('Offers.sorteer');
			
			$result = $modx->getIterator('Offers', $select);
			if(empty($result)){
				$result = "leeg!";
			}
			else{}
			
				return $result;
	}	

$results = $moreReises->getOffers();
foreach($results as $resultaten){

		$result = $resultaten->toArray();

//iterating values like this
$result['value'];

$result = $modx->getCollectionGraph('Offers', $select);

function getMore(){
		$select = "SELECT 
						countries.naam as countryName, 
						countries.alias as countryAlias,
						accomodations.naam as accomodationName, 
						accomodations.plaats, 
						accomodations.intro, 
						accomodations.alias,
						accomodations.klm,
						accomodations.soort, 
                                                accomodations.vanafPrijs,                         
						accomodations.offer_price, 						
						accomodations.numberDays, 
						accomodations.klasse, 
						accomodations.thumbnail,
                                                accomodations.code 
						FROM offers 
						LEFT JOIN accomodations ON offers.idAccomodation = accomodations.id
						LEFT JOIN countries ON countries.id = accomodations.land_id 
						WHERE accomodations.active = 1
						ORDER BY offers.sorteer 
						  ";
		$query = mysql_query($select);
		$result = array();
		if (mysql_numrows($query) == 0) { 
			//Geen accomodations
		} else {
			while ($row = mysql_fetch_object($query)) {
			
				foreach ($row as $key => $value) {
					$row->$key = $this->cleanfromdatabase($row->$key);
				}
			
			$result[] = $row;
			}
		}
		return $result;
	}	

$modx->setOption(xPDO::OPT_HYDRATE_ADHOC_FIELDS, true);

$select->leftJoin('Offers','Accomodations', 'Offers.idAccomodation = Accomodations.id');
$select->leftJoin('Countries', 'Accomodations', 'countries.id = accomodations.land_id');

function getOffers(){
    global $modx;
	$modx->setOption(xPDO::OPT_HYDRATE_ADHOC_FIELDS, true);
    $select = $modx->newQuery('Offers');
        $select->select($modx->getSelectColumns('Accomodations', 'Countries'));
            $select->select(array(
			'Offers.id',
            'Countries.naam as countryName',
            'Countries.alias as countryAlias',
            'Accomodations.naam as accomodationName',
            'Accomodations.plaats',
            'Accomodations.intro',
            'Accomodations.alias',
            'Accomodations.klm',
            'Accomodations.soort',
            'Accomodations.vanafPrijs',
            'Accomodations.offer_price',
            'Accomodations.numberDays',
            'Accomodations.klasse',
            'Accomodations.thumbnail',
            'Accomodations.code',
            ));
             
           $select->leftJoin('Offers','Accomodations', 'Offers.idAccomodation = Accomodations.id');
           $select->leftJoin('Countries', 'Accomodations', 'countries.id = accomodations.land_id');
             
            $select->where(array(
            'active' => 1,
            ));
             
            $select->groupby('Offers.sorteer');
             
            $result = $modx->getCollection('Offers', $select);
        
             
                return $result;
    }   

SELECT `Countries`.`id`, `Countries`.`code`, `Countries`.`land_id`, `Countries`.`alias`, `Countries`.`naam`, `Countries`.`plaats`, `Countries`.`intro`, `Countries`.`vanafPrijs`, `Countries`.`numberDays`, `Countries`.`infoAlgemeen`, `Countries`.`infoFaciliteiten`, `Countries`.`infoAccomodatie`, `Countries`.`klasse`, `Countries`.`soort`, `Countries`.`type`, `Countries`.`details`, `Countries`.`thumbnail`, `Countries`.`active`, `Countries`.`lastminute`, `Countries`.`aangemaakt`, `Countries`.`gewijzigd`, `Countries`.`reisSoorten`, `Countries`.`accomodatieTypes`, `Countries`.`offer_price`, `Countries`.`video`, `Countries`.`losse_prijs`, `Countries`.`meta_beschrijving`, `Countries`.`meta_zoekwoorden`, `Countries`.`zoover`, `Countries`.`dag_prijs`, `Countries`.`klm`, Offers.id, Countries.naam as countryName, Countries.alias as countryAlias, Accomodations.naam as accomodationName, Accomodations.plaats, Accomodations.intro, Accomodations.alias, Accomodations.klm, Accomodations.soort, Accomodations.vanafPrijs, Accomodations.offer_price, Accomodations.numberDays, Accomodations.klasse, Accomodations.thumbnail, Accomodations.code FROM `custom_offers` AS `Offers` LEFT JOIN `custom_offers` `Accomodations` ON Offers.idAccomodation = Accomodations.id LEFT JOIN `custom_countries` `Accomodations` ON countries.id = accomodations.land_id WHERE `Offers`.`active` = '1' GROUP BY Offers.sorteer