嵌套的foreach只遍历所有循环

Question

Can anyone tell me why my foreach loops only loop one time through. The outer loop runs and then the two inner loops. After that it stops.

function saarealty_get_mls()
{
    $property_classes = ['RESI', 'COMM', 'VACANTLAND', 'MULT'];

    // generate the DMQL query  
    $query = "(Status=|ACTV,SOLD),(IDXOptInYN=1)";

    foreach ($property_classes as $pc) {

        $Photos = [];

        // make the request and get the results    
        $results = $rets->Search('Property', $pc, $query);

        // save the results in a local file     
        file_put_contents(get_template_directory() . '/Property_' . $pc . '.json', $results->toJSON());

        foreach ($results as $r) {
            $photos  = [];
            $sysid   = $r['Matrix_Unique_ID'];
            $objects = $rets->GetObject('Property', 'LargePhoto', $sysid, '*', 1);

            foreach ($objects as $object) {
                $photos[] = $object->getLocation();
            }

            foreach ($photos as $p) {
                $Photos[] = $p;
            }
            $photos_json = json_encode($Photos);
            file_put_contents(get_template_directory() . '/Photos_' . $pc . '.txt', $photos_json);
        }
    }
}

Thanks for your help in advance,