在 PHP 中包含文件时可以使用 $_GET 变量吗?是否有可能，即使来自 AJAX 调用? [英] Can you use $_GET variables when including a file in PHP? Is it possible, even from an AJAX call?

问题描述

我有一个处理发送确认电子邮件的 PHP 文件.我还有一个日历，我使用 AJAX 进行各种更新.当 AJAX 调用更新文件时，它会使用新信息更新数据库，我希望发送确认电子邮件.

I have a PHP file that handles sending out confirmation emails. I also have a calendar that I use AJAX to do various updates. When AJAX calls the update file, it updates the database with the new information, and I want confirmation emails to be sent out.

所以从 AJAX 调用的 php 文件中，我想我应该 include("email-sender.php?stage=confirm2a&job={$slot->job_id} 调用电子邮件 php 页面，其中 $_GET 变量告诉它要发送哪些电子邮件以及发送给谁.

So from inside the php file that the AJAX calls, I figured I should include("email-sender.php?stage=confirm2a&job={$slot->job_id} which calls the email php page, with the $_GET variables that tell it which emails to send and to who.

但由于某种原因，当您使用附加到字符串的 ?key=value $_GET 对时，我无法让包含工作.PHP.net 告诉我您可以在包含中使用 $_GET 变量，但是当我设置一个简单的测试时，它似乎不起作用.

But for some reason, I can't get the include to work when you use ?key=value $_GET pairs attached to the string. PHP.net tells me you can use $_GET variables in an include, but when I set up a simple test, it doesn't appear to work.

我的测试页面有一个链接，当单击该链接时，将向页面提交一个 ajax 调用以及包含一个变量farm"的数据，该变量等于值animal".像这样:

My test page has one link, that when clicked submits an ajax call to a page along with data containing one variable "farm" which equals the value "animal". Like this:

$("a.testlink").click(function() {
    var mydata = "farm=animal";
    $.ajax({
        url: "ajaxPHP.php",
        data: mydata,
        success: function(rt) {
            alert(rt);
        }
});

所以 ajaxPHP.php 说:

So ajaxPHP.php says:

if($_GET['farm']) {
    $var = $_GET['farm'];
    echo $var;
}

此时，点击链接时成功提示显示animal".没错.

At this point, the success alert shows "animal" when the link is clicked. That's right.

但是如果我把 ajaxPHP.php 改成这样:

But if I change ajaxPHP.php to this:

if($_GET['farm']) {
    $var = $_GET['farm'];
    include("ajaxInclude.php?farm={$var}");
}

还有一个名为 ajaxInclude.php 的文件，上面写着:

And have a file called ajaxInclude.php that says:

if($_GET['farm']) {
    $var = $_GET['farm'];
    echo $var;
}

然后，当我单击链接时，我收到一个空警报.所以包含不适用于追加到末尾的查询字符串.

Then when I click the link I get an empty alert. So the include doesn't work with the query string appended to the end.

有什么帮助吗?

添加

所以现在我有以下内容:

So now I have the following:

$stage = "confirm2a";
include("email-sender.php");
$stage = "confirm2b";
include("email-sender.php");

然后在email-sender.php中，显然有很多类似的代码:

And then in email-sender.php, obviously there is a lot of code like:

if($stage == "confirm2a") { 
   email Person 1 etc...
}
if($stage == "confirm2b") {
    email Person 2 etc...
}

但是当我运行脚本时，只有人 1 收到了电子邮件，而且只有一次.不知道为什么...

But when I run the script, only Person 1 receives the email, and only once. Not sure why...

推荐答案

您可以在包含的脚本中处理变量，而不是将它们附加到包含路径本身:

You can handle the variables within your included script, rather than appending them onto the include path itself:

$var = "foo";
include("script.php");

-- script.php 的内容--

-- contents of script.php --

echo $var; // 'foo'

在我看来，这无论如何都要干净得多.在回显任何变量之前，您可能希望检查以确保 script.php 中存在这些值.

In my opinion this is much cleaner anyway. You may desire to check to make sure the values exist within script.php before echoing out any variables.

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