为什么和addslashes（）函数不是我在php阵列上运行？ [英] Why does the addslashes() function not work on my array in php?

问题描述

我有一个数组一系列会话变量。当我在字符串变量中的一个使用引号，我试着和addslashes这样我就可以它最终插入到数据库，但和addslashes（）函数无法正常工作。下面是一个例子。

在评论栏，我写这篇文章：

  

这是意见

我意识到这是一个问题，所以我增加了一个功能之前，我将其输入到通过一系列Session变量，包括评论运行数据库变量。

  $ strip_fields = array($_SESSION['comments'],$_SESSION['employee_id'],$_SESSION['approved_by'],$_SESSION['delivery_email'],$_SESSION['full_name'],$_SESSION['first_name'],$_SESSION['last_name']);        的foreach（$ strip_fields为$关键=＆GT; $值）{
            $键=和addslashes（$键）;
        }
 

我运行该功能后，我试着回声出意见变量$ _SESSION ['意见']

  

这是意见

所以，我可以看到，和addslashes功能不知何故不工作我使用它的方式。为什么和addslashes功能不能正常工作，我使用它的方式？

这是我的解决方案（我用了一下来自两个建议）

  $ strip_fields =阵列（
            'EMPLOYEE_ID'，'approved_by'，'delivery_email'，'FULL_NAME'，
            FIRST_NAME，姓氏，标题，TITLE_2'，'dept_div'，
            dept_div_2，电子邮件，评论，special_instructions
        ）;        的foreach（$ strip_fields为$键）{
            $ _SESSION [$关键] = $ conn-＆GT; real_escape_string（$ _ SESSION [$关键]）;
        }
 

解决方案

有几件事错在这里：

1. 您正在复制在 $ _ SESSION 的值，以新的变量。


2. 您是路过的钥匙，和addslashes（），但您放置值放入数组值。


3. 的foreach（）复制该数组中的值到 $键和 $值，所以你对副本复印件运行。

您应该能够使用引用这一点，但我觉得跳绳他们的将是更清晰。

  $ strip_fields =阵列（
        意见，雇员标识，approved_by'，'delivery_email'，
        FULL_NAME'，'FIRST_NAME'，'姓氏']
    ）;的foreach（$ strip_fields为$键）{
    $ _SESSION [$关键] =和addslashes（$ _ SESSION [$关键]）;
}
 

I have a series of session variables in an array. When I use quotes in one of my string variables, I try to addslashes so I can eventually insert it into the DB, but the addslashes() function is not working. Here is an example.

In the comments field, I write this:

This is the "comment"

I realize this is a problem so I added a function before I enter it into the database that runs through a series of Session variables, including the comments variable.

$strip_fields = array($_SESSION['comments'],$_SESSION['employee_id'],$_SESSION['approved_by'],$_SESSION['delivery_email'],$_SESSION['full_name'],$_SESSION['first_name'],$_SESSION['last_name']);

        foreach($strip_fields as $key => $value) {
            $key = addslashes($key);
        }

After I run this function I try to echo out the comments variable $_SESSION['comments']

This is the "comment"

So I can see that the addslashes function somehow does not work the way I am using it. Why does the addslashes function not work the way I'm using it?

THIS IS MY SOLUTION (I used a bit from both suggestions)

$strip_fields = array(
            'employee_id', 'approved_by', 'delivery_email', 'full_name', 
            'first_name', 'last_name', 'title', 'title_2', 'dept_div', 
            'dept_div_2', 'email', 'comments', 'special_instructions'
        );

        foreach($strip_fields as $key) {
            $_SESSION[$key] = $conn->real_escape_string($_SESSION[$key]);
        }

解决方案

There are a few things wrong here:

1. You are copying the values in $_SESSION to new variables.
2. You are passing the keys to addslashes(), but you placed the values into array values.
3. foreach() copies the values from the array into $key and $value, so you're operating on a copy of a copy.

You should be able to use references for this, but I think skipping them will be clearer.

$strip_fields = array(
        'comments', 'employee_id', 'approved_by', 'delivery_email', 
        'full_name', 'first_name', 'last_name']
    );

foreach($strip_fields as $key) {
    $_SESSION[$key] = addslashes($_SESSION[$key]);
}

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