/*
    - Get Alexa Rank
    - Gets the alexa rank for a website based on the URL
   
    $url     - The url to get the alexa rank for
    */
   
    public function getAlexaRank($url)
    {
        $xml = simplexml_load_file("http://data.alexa.com/data?cli=10&url=" . $url);
 
        if(isset($xml->SD)) return $xml->SD->REACH->attributes();
    }