Facebook PHP表单返回空$

本文介绍了Facebook PHP表单返回空$ _POST的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！ 问题描述 我最近一直在开发一些Facebook应用程序，并且我总是遇到同样的问题：我找不到一种在iFrame Facebook应用程序上使用POST方法发送表单的方法。返回的 $ _ POST 始终为空。

我发现一个补丁是使用表单发送我的数据GET方法，并将其发送到画布页脚本URL，如下所示：< form action =<？php echo CANVAS_PAGE;？> script.phpmethod =GET> ，然后通过 $ _ REQUEST 获取我的数据。 我尝试使用POST / GET方法与 CANVAS_PAGE / script.php / CANVAS_URL / script.php / script.php 动作，这只是实际工作的东西。至少对我来说

现在，我遇到的问题是我需要上传一个文件，然后我必须使用POST方法，然后回到最初的问题 - >我找不到一种使用POST方法发送表单的方法。任何人都有答案？

解决方案

发现答案。

只要你通过了Facebook的post方法， $ _REQUEST [signed_request]作为您表单中的signed_request的隐藏字段。

I've been developing some Facebook apps lately and I always had the same problem: I can't find a way to send a form with a POST method on iFrame Facebook apps. The returned $_POST is always empty.

One patch I found is to send my data using a form using a GET method and to send it to the canvas page script URL, just like this: <form action="<?php echo CANVAS_PAGE; ?>script.php" method="GET" > and then to get my data through $_REQUEST. I tried any combination of POST /GET method with CANVAS_PAGE/script.php / CANVAS_URL/script.php / script.php action and this is only thing that actually works. AT least for me.

Now, the problem I have is that I need to upload a file and then I must use the POST method and then back to the initial problem -> I can't find a way to send a form with a POST method. The returned $_POST is always empty!!

Anybody has an answer to that?

解决方案

Answer found.

The post method in Facebook works fine as long as you pass the $_REQUEST["signed_request"] as a hidden field called "signed_request" in your form.