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PHP mysqli_get_proto_info () function

PHP MySQLi Reference Manual PHP MySQLi Reference Manual

Examples

Returns the MySQL protocol version:

<?php
$con=mysqli_connect("localhost","my_user","my_password","my_db");
// 检测连接
if (mysqli_connect_errno($con))
{
    echo "数据库连接失败: " . mysqli_connect_error();
}

echo mysqli_get_proto_info($con);

mysqli_close($con);
?>

Definition and Usage

mysqli_get_proto_info () function returns the MySQL protocol version.


grammar

mysqli_get_proto_info( connection ) ;

参数 描述
connection 必需。规定要使用的 MySQL 连接。

technical details

return value: Returns a MySQL protocol version integer.
PHP version: 5+


PHP MySQLi Reference Manual PHP MySQLi Reference Manual