无涯教程-PHP - mysqli get proto info函数

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mysqli get proto info - 语法

int mysqli_get_proto_info ( mysqli $link);

它返回MySQLi协议版本信息。

Sr.No 参数 & Description
1

link

它指定要使用的mySqli连接

mysqli get proto info - 返回值

它返回一个表示协议版本的整数

mysqli get proto info - 示例

<?php
   $con=mysqli_connect("localhost","my_user","my_password","my_db");

if (mysqli_connect_errno(con</span><spanclass="pun">))</span><spanclass="pln">echo</span><spanclass="str">"FailedtoconnecttoMySQL:"</span><spanclass="pln"></span><spanclass="pun">.</span><spanclass="pln">mysqliconnecterror</span><spanclass="pun">();</span><spanclass="pln"></span><spanclass="pun"></span><spanclass="pln">echomysqligetprotoinfo</span><spanclass="pun">(</span><spanclass="pln">con</span><span class="pun">)){</span><span class="pln">
      echo </span><span class="str">"Failed to connect to MySQL: "</span><span class="pln"> </span><span class="pun">.</span><span class="pln"> mysqli_connect_error</span><span class="pun">();</span><span class="pln">
   </span><span class="pun">}</span><span class="pln">
   echo mysqli_get_proto_info</span><span class="pun">(</span><span class="pln">con);


mysqli_close($con);
?>

参考链接

www.learnfk.com/php/mysqli-…

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