php中访问mysql的例子

<?php
        $mysql_server_name = "localhost";
        $mysql_username = "root";
        $mysql_password = "root";
        $mysql_database = "wyh";
        $conn = mysql_connect($mysql_server_name,$mysql_username,$mysql_password
);
        $strsql = "select * from fact_beaconlog_daily";
        $result = mysql_db_query($mysql_database,$strsql,$conn);
        $row = mysql_fetch_row($result);
        echo "$row[1]\n";
?>