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This article mainly introduces the example analysis based on php WeChat public platform development, which has certain reference value. Interested friends can refer to it. I hope you will gain a lot after reading this article. Let Xiaobian take you to understand it together.

The details are as follows:

Recently, I have been developing WeChat public platform. I have written more than 20 functions in one breath. It is quite interesting ~

Share your development experience today.

The interface provided by WeChat public platform is very simple. Let's look at the message interaction process first:

To put it more bluntly, users use WeChat to send messages-> WeChat sends data to developers-> Developers process messages and return data to WeChat-> WeChat sends returned data to users, during which data interaction is completed through XML, so simple.

Here is an example of developing a WeChat smart chat bot:

1. Register WeChat public platform account

WeChat public platform:

https://mp.weixin.qq.com/

Note: At present, one ID card can only register two accounts. The account name is related to V authentication. Please register carefully.

2. Request Server/Virtual Hosting

BAE and SAE can be used for children without server/virtual host, not much introduction.

3. Open Developer Mode

WeChat public platform has two modes, one is editing mode (fool mode), simple but single function. The other is developer mode, which enables complex functionality through development. The two modes are mutually exclusive and obvious. Log in to WeChat public platform and open developer mode through "Advanced Function" menu.

4. Fill in interface configuration information

It is also configured in the "Advanced Function" menu, and two parameters need to be configured:

URL: Developer application access address, currently only port 80 is supported, take "http://www.YoonPer.com/weixin/index.php" as an example.

TOKEN: optional, used to generate signatures, such as "YoonPer."

Fill in the following code and save it as index.php and upload it to http://www.YoonPer.com/weixin/directory, and finally click "Submit" to complete verification.

This thing is the WeChat public platform to verify whether the URL is correctly accessed. The research code has no substantive significance. After verification, the file can be deleted. It will not be explained in detail. Interested children can view the official document.

WeChat public platform API documentation:

http://mp.weixin.qq.com/wiki/index.php

5. Develop WeChat public platform functions

OK, as mentioned above, the data interaction between WeChat public platform and developers is completed through XML. Since XML is used, of course, it must follow the specification, so before starting development, look at the XML specification provided by the official interface document. Take text messages as an example:

When a user sends a message to a WeChat public account, the WeChat server will POST some data to the developer:

123456781234567890123456

The developer needs to return data to the WeChat server after processing the message:

123456780

In addition to text messages, WeChat public platform also supports users to send picture messages, geographical location messages, link messages, event push, and developers can also reply to WeChat public platform music messages and graphic messages, all kinds of message XML specifications can also see official documents.

Let's take a look at an official PHP example, which I've simplified:

Save the code as index.php and upload it to http://www.YoonPer.com/weixin/directory. If you haven't deleted the file just now, overwrite it directly.

Now any message sent by users through WeChat public platform will return a message with the content "http://www.YoonPer.com".

The next thing you need to do is to dynamically return results according to user messages ~

SimSimi (Little Yellow Chicken) is currently a relatively popular chat bot. I developed a free Simi (Little Yellow Chicken) interface with CURL. The incoming keywords will return text replies. This part is not the focus of this article. There is no more explanation. Go directly to the code (2014.07.28 update):

Integrating the above two paragraphs of code together is a success. It needs to be explained that the WeChat server will break the connection if it does not receive a response within 5 seconds. It may timeout through this interface, and Simi has blocked the grab request on BAE and SAE. It is recommended to use Simi official charging API. The speed is relatively fast ~

Thank you for reading this article carefully. I hope that the article "Sample Analysis Based on PHP WeChat Public Platform Development" shared by Xiaobian will be helpful to everyone. At the same time, I hope that everyone will support you more, pay attention to the industry information channel, and more relevant knowledge is waiting for you to learn!

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