网站建设 销售 知乎,wordpress 访问密码忘记,自媒体wordpress,网上有哪些购物平台mysqli_free_result()介绍php mysqli_free_result()函数用于释放查询出来的数据结果集#xff0c;这样有利于及时清理内存。语法#xff1a;mysqli_free_result(result);参数#xff1a;参数描述result必需。数据结果集(由mysqli_query()所返回)mysqli_free_result()实例1、…mysqli_free_result()介绍php mysqli_free_result()函数用于释放查询出来的数据结果集这样有利于及时清理内存。语法mysqli_free_result(result);参数参数描述result必需。数据结果集(由mysqli_query()所返回)mysqli_free_result()实例1、面向对象实例/* http://www.manongjc.com/article/1192.html *///创建mysqli类$mysqli new mysqli();//连接数据库服务器$mysqli-connect(127.0.0.1, root,, mydatabase);//sql语句$query SELECT productid, name, price FROM product ORDER by name;//执行sql语句$mysqli-query($query);//释放结果集$result-free();?2、面向过程实例/* http://www.manongjc.com */$conmysqli_connect(localhost,root,,db);if (mysqli_connect_errno($con)){echo 连接失败错误码 . mysqli_connect_error();}$query SELECT productid, name, price FROM product ORDER BY name;$result mysqli_query($con,$query);..../*这里是操作数据的代码已省略*///释放结果集mysqli_free_result($result);mysqli_close($con);?
