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function parse_address ($in) {

        if(stripos($in,'box') !== false)  {
                $matches = array();
                if(preg_match('/^P([. ])?O([. ])?BOX( )?([0-9]+)$/i',$in,$matches)) {
                        $out['housenum'] = $matches[4];
                        $switch = true;
                } elseif(preg_match('/^BOX( )?([0-9]+)$/i',$in,$matches)) {
                        $out['housenum'] = $matches[2];
                        $switch = true;
                } else {
                        $switch = false;
                }

                if($switch) {
                        $out['streetname'] = 'PO Box';
                        $out['streettype'] = '';
                        $out['post_direction'] = '';
                        $out['streetdir'] = '';
                        $out['apt'] = '';
                        return $out;
                }
        }

        $in = strtoupper($in);
        $in = str_replace('.','',$in);

$suffixes = array(
    'ALY','ANX','ARC','AVE','BYU','BCH','BND','BLF','BLFS','BTM','BLVD','BR','BRG','BRK','BRKS','BG','BGS',
    'BYP','CP','CYN','CPE','CSWY','CTR','CTRS','CIR','CIRS','CLF','CLFS','CLB','CMN','COR','CORS','CRSE','CT',
    'CTS','CV','CVS','CRK','CRES','CRST','XING','XRD','CURV','DL','DM','DV','DR','DRS','EST','ESTS','EXPY','EXT',
    'EXTS','FALL','FLS','FRY','FLD','FLDS','FLT','FLTS','FRD','FRDS','FRST','FRG','FRGS','FRK','FRKS','FT','FWY',
    'GDN','GDNS','GTWY','GLN','GLNS','GRN','GRNS','GRV','GRVS','HBR','HBRS','HVN','HTS','HWY','HL','HLS','HOLW',
    'INLT','IS','ISS','ISLE','JCT','JCTS','KY','KYS','KNL','KNLS','LK','LKS','LAND','LNDG','LN','LGT','LGTS',
    'LF','LCK','LCKS','LDG','LOOP','MALL','MNR','MNRS','MDW','MDWS','MEWS','ML','MLS','MSN','MTWY','MT','MTN',
    'MTNS','NCK','ORCH','OVAL','OPAS','PARK','PKWY','PASS','PSGE','PATH','PIKE','PNE','PNES','PL','PLN','PLNS',
    'PLZ','PT','PTS','PRT','PRTS','PR','RADL','RAMP','RNCH','RPD','RPDS','RST','RDG','RDGS','RIV','RD','RDS',
    'RTE','ROW','RUE','RUN','SHL','SHLS','SHR','SHRS','SKWY','SPG','SPGS','SPUR','SQ','SQS','STA','STRA','STRM',
    'ST','STS','SMT','TER','TRWY','TRCE','TRAK','TRFY','TRL','TUNL','TPKE','UPAS','UN','UNS','VLY','VLYS','VIA',
    'VW','VWS','VLG','VLGS','VL','VIS','WALK','WALL','WAY','WAYS','WL','WLS','STREET','ROAD','COURT','AV');

$directions = array('N','S','E','W','NW','NE','SW','SE');
        
        $out = array();
        $address_parts = explode(' ',$in);
        $out['housenum'] = array_shift($address_parts);
        if(in_array($address_parts[0],$directions)) {
                $out['streetdir'] = array_shift($address_parts);
        } else {
                $out['streetdir'] = '';
        }

        $temp_addy = implode(' ',$address_parts);

        if(strpos($temp_addy,'APT #')) {
                $amatches = array();
                preg_match('/APT #([^ ]+)/',$temp_addy,$amatches);
                $temp_addy = preg_replace('/APT #[^ ]+/','',$temp_addy);
                $out['apt'] = $amatches[1];
        } elseif(strpos($temp_addy,'APT ')) {
                $amatches = array();
                preg_match('/APT ([^ ]+)/',$temp_addy,$amatches);
                $temp_addy = preg_replace('/APT [^ ]+/','',$temp_addy);
                $out['apt'] = $amatches[1];

        } elseif(strpos($temp_addy,'# ')) {
                $amatches = array();
                preg_match('/# ([^ ]+)/',$temp_addy,$amatches);
                $temp_addy = preg_replace('/# [^ ]+/','',$temp_addy);
                $out['apt'] = $amatches[1];

        } elseif(strpos($temp_addy,'#')) {
                $amatches = array();
                preg_match('/#([^ ]+)/',$temp_addy,$amatches);
                $temp_addy = preg_replace('/#[^ ]+/','',$temp_addy);
                $out['apt'] = $amatches[1];

        } else {
                $out['apt'] = '';
        }

        $temp_addy = rtrim($temp_addy);

        $address_parts = explode(' ',$temp_addy);

        $post_direction = array_pop($address_parts); // Pull out street type
        if(!in_array($post_direction,$directions)) { // Stick it back in if it's not a street type
                $address_parts[] = $post_direction;
                $post_direction = '';
        }
        $out['post_direction'] = $post_direction;


        $street_type = array_pop($address_parts); // Pull out street type
        if(!in_array($street_type,$suffixes)) { // Stick it back in if it's not a street type
                $address_parts[] = $street_type;
                $street_type = '';
        }
        $out['streettype'] = $street_type;
        $out['streetname'] = implode(' ',$address_parts);

        return $out;
}