<?php

$xml = simplexml_load_file("https://www.vmfhomes.com/Content/Feeds/rss.xml");
$states = array_keys(array('AK'=>'Alaska', 'HI'=>'Hawaii', 'CA'=>'California', 'NV'=>'Nevada', 'OR'=>'Oregon', 'WA'=>'Washington', 'AZ'=>'Arizona', 'CO'=>'Colorada', 'ID'=>'Idaho', 'MT'=>'Montana', 'NE'=>'Nebraska', 'NM'=>'New Mexico', 'ND'=>'North Dakota', 'UT'=>'Utah', 'WY'=>'Wyoming', 'AL'=>'Alabama', 'AR'=>'Arkansas', 'IL'=>'Illinois', 'IA'=>'Iowa', 'KS'=>'Kansas', 'KY'=>'Kentucky', 'LA'=>'Louisiana', 'MN'=>'Minnesota', 'MS'=>'Mississippi', 'MO'=>'Missouri', 'OK'=>'Oklahoma', 'SD'=>'South Dakota', 'TX'=>'Texas', 'TN'=>'Tennessee', 'WI'=>'Wisconsin', 'CT'=>'Connecticut', 'DE'=>'Delaware', 'FL'=>'Florida', 'GA'=>'Georgia', 'IN'=>'Indiana', 'ME'=>'Maine', 'MD'=>'Maryland', 'MA'=>'Massachusetts', 'MI'=>'Michigan', 'NH'=>'New Hampshire', 'NJ'=>'New Jersey', 'NY'=>'New York', 'NC'=>'North Carolina', 'OH'=>'Ohio', 'PA'=>'Pennsylvania', 'RI'=>'Rhode Island', 'SC'=>'South Carolina', 'VT'=>'Vermont', 'VA'=>'Virginia', 'WV'=>'West Virginia'));

foreach($xml->channel->item as $item){
    // echo $item->title;
    $abbrv = substr((String)$item->title,0,2);
    if (!in_array($abbrv, $states)){
        echo "WATCH OUT FOR THIS ONE ! STATE NOT FOUND !! ".$item->title."\n";
    }
}