matchAirport.php

<?php

function matchAirport($str)
{
    $result = array();
    if(preg_match('/\(([A-Z]{3})\)\s-\s[A-Z]{2}/', $str, $matches))
    {
        $result["type"] = "airport";
        $result["iata_code"] = $matches[1];
    }
    else if(preg_match('/All\sof\s(.+)\s\(([A-Z]{2})\)/', $str, $matches))
    {
        $result["type"] = "city";
        $result["city"] = $matches[1];
        $result["country_id"] = $matches[2];
    }
    else if(preg_match('/All\sof\s(.+)/', $str, $matches))
    {
        $result["type"] = "country";
        $result["country"] = $matches[1];
    }
    else
    {
        $result["type"] = "none";
    }
    return $result;
}

?>