Native php mysql link

1. Native connection code

   $test = "SELECT count(*) count from dede_userphone where phone=".$mobile;
    $coon = @mysql_connect('$host','$user','$password');
    @mysql_query("SET NAMES UTF8");
    @mysql_select_db('dede_qizheng',$coon);
    $res = @mysql_query($test,$coon);
   while($re = mysql_fetch_array($res))
    {
        array_push($arr,$re);
    }
    echo &#39;<pre class="brush:php;toolbar:false">&#39;;
    var_dump($arr);
    exit;