从MYSQL更新到MYSQLI [英] Updating from MYSQL to MYSQLI

问题描述

因此，由于不建议使用MYSQL，并且eveyone不断告诉我进行更新，所以我认为这是我做的时间.

So as MYSQL is deprecated and eveyone keeps telling me to update, I thought it was about time I did.

但是由于我不习惯mysqli_ *，所以对我来说似乎有些陌生.当我用Mysql编码整个网站时，这不是一个简单的编辑.

But as I'm not used to mysqli_*, it seems alien to me. And it's not a simple edit when I have a whole site coded in Mysql.

所以我想知道:如何将以下代码转换为Mysqli?只是为了给我和其他任何人一个处理数据库查询的良好起点.

So I'm wondering: How would I transform the below code into Mysqli? Just to give me and anyone else a good starting point when dealing with querying the database.

$sql_follows="SELECT * FROM friends WHERE user1_id=".$_SESSION['id']." AND status=2 OR user2_id=".$_SESSION['id']." AND status=2";
$query_follows=mysql_query($sql_follows) or die("Error finding friendships");
if($query_follows>0){
}

在阅读和编辑我的整个网站时，上面转换为MYSQLI_的代码将如下所示.

On reading up and editing my whole site the above code converted to MYSQLI_ would go something like this..

 $Your_SQL_query_variable= mysqli_query($connectionvariable,"SELECT * FROM friends WHERE user1_id=".$_SESSION['id']." AND status=2 OR user2_id=".$_SESSION['id']." AND status=2")) {
        printf("Error: %s\n", $mysqli->error);
    }

推荐答案

您可以从此处下载转换器工具:

You can download a converter tool from here:

https://github.com/philip/MySQLConverterTool

它生成的代码非常粗糙，主要是因为它使用$GLOBAL变量实现默认数据库链接参数的方式. (这也使人们在使用经过转换器的代码时易于识别.)

The code it generates is pretty gross, mainly because of the way it implements the default database link argument with a $GLOBAL variable. (This also makes it easy to recognize when someone is using code that's gone through the converter.)

这里还有一个MySQL Shim库:

There's also a MySQL Shim Library located here:

https://github.com/dshafik/php7-mysql-shim

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