2015-03-19 create php alternative for myslq_result in mysqli(PHP)--PDO Tutorial

santaclaus

　　来源：http://www.bestwebframeworks.com/tutorials/php/152/create-php-alternative-for-mysql_result-in-mysqli/
　　内容：

　　If you are migrating from PHP 5.5 to a newer version of PHP - you might be interested in a MySQL to MySQLi/PDO migration guide - and use the function mysql_result() you might get a notice (in case your error_reporting is set to show deprecated warnings) that this function is deprecate. Since there is no 1:1>　　代码：
    function mysqli_result($result,$row,$field =0){　　
            //adjust the result pointer to that specific row
　　
            $result->date_seek($row);
　　
            // Fetch rsult array
　　
            $data = $result->fetch_array();
　　
            return $data[$field];
　　
    }
　　-----
　　PDO Tutorial for Mysql Developers
　　来源：http://wiki.hashphp.org/PDO_Tutorial_for_MySQL_Developers
　　why user pdo?
　　mysql_* functions are getting old. For a long time now mysql_* has been at odds with other common SQL database programing interface. It doesn't support modern SQL database concepts such as prepared statements,stored procs,transactions etc...
　　connectiong to mysql?
　　old way: