mysqli_connect到远程服务器 [英] mysqli_connect to remote server

问题描述

我正在尝试连接到远程服务器.我认为问题出在端口号，但是当我尝试报告错误时，我没有得到任何信息.

I'm trying to connect to a remote server. I think the problem is with the port number, but when I try error reporting, I'm not getting any information.

$db_host        = 'MY.IP.ADD.RESS:3306';
$db_user        = 'user';
$db_pass        = 'password';
$db_database    = 'database'; 

$link = mysqli_connect($db_host,$db_user,$db_pass,$db_database) or die('Unable to establish a NHT_DB connection');


if (!$link) {
    die('Connect Error: ' . mysqli_connect_error());
}
else {
    echo 'Success... ' . mysqli_get_host_info($link) . "\n";
}

首先，我不是100％确信这是正确的端口.如何找出设置为使用mysql的端口?

First, I'm not 100% confident that's the correct port. How do I find out what port mysql is set to use?

第二，mysqli_connect_error()没有给我任何东西.没有数字，没有代码，什么都没有.测试页只会吐出Connect Error:，而没有我可以查找的代码.

Second, mysqli_connect_error() isn't giving me anything. No number, codes, nothing. The test page just spits back Connect Error: with out as much as a code I can go look up.

推荐答案

解决方案是向mysqli_connect函数添加端口参数.

Solution was to add a port argument to the mysqli_connect function.

$db_host        = 'MY.IP.ADD.RESS';
$db_user        = 'user';
$db_pass        = 'password';
$db_database    = 'database'; 
$db_port        = '3306';

$link = mysqli_connect($db_host,$db_user,$db_pass,$db_database,$db_port);

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