adwords scraper

function GRKG_ajax() {
        global $wpdb; // this is how you get access to the database

        if(isset($_POST['getAjaxWPTerm'])) {
            $term = urlencode($_POST['getAjaxWPTerm']);
            $getLimit = $_POST['getAjaxWPMax'];
            $getLocale = $_POST['getAjaxWPLocale'];

            $getLocale = str_replace("_", "-", $getLocale);

            $get_useragent = $_SERVER['HTTP_USER_AGENT'];

            $url = 'https://api.bing.com/osjson.aspx?query='.$term.'&setmkt='.$getLocale;
            $ch  = curl_init();
            curl_setopt($ch, CURLOPT_URL, $url);
            curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
            curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
            curl_setopt($ch, CURLOPT_ENCODING, 'gzip, deflate');
            curl_setopt($ch, CURLOPT_USERAGENT, $get_useragent);
            curl_setopt($ch, CURLOPT_REFERER, "https://google.com");
            $result = curl_exec($ch);
            curl_close($ch);

            $resultInArray = json_decode($result, true);

            //
            $resultCount = count($resultInArray[1]);

            for ( $i = 1; $i < $resultCount; $i++ ) {
                echo $resultInArray[1][$i].', ';

                if ( $i == $getLimit)
                    break;
            }
        }

        wp_die();

    }
}