How to use PHP to develop WeChat public accounts

With the development and popularization of the Internet, WeChat has become an indispensable communication tool in people's lives. For companies or individuals, it has also become a trend to expand business and promote services through WeChat official accounts. This article will introduce how to use PHP to develop WeChat public accounts.

1. WeChat public platform development model

In the development of WeChat public platform, there are two development models: based on service account and subscription account. Among them, service accounts are relatively more functional and are more suitable for businesses that require charging functions or rely on WeChat payment.

2. Authentication and configuration

Before developing the WeChat public account, you first need to authenticate and configure the WeChat public account. Specifically, you need to perform the following steps in the WeChat public platform:

1. Register a WeChat public platform account;
2. Enter the WeChat public platform and select the Developer Center;
3. Register on WeChat Certification of public accounts. Among them, "Public Account Settings" needs to fill in information such as WeChat ID, nickname, service category, and real-name authentication;
4. In "Development" - "Basic Configuration", fill in the URL required in the server configuration , Token, EncodingAESKey and other information. Among them, the URL needs to be verified. The verification code is encrypted and sent after the echostr parameter value in the URL is sent by the WeChat platform. After receiving the parameter, the developer needs to compare the encrypted value with the Token filled in by himself to ensure that the configuration is correct.

3. Message and event reception and response

In the development of WeChat public accounts, the reception and response of messages and events are very important links. Specifically, it can be configured through the "Interface Permissions", "Message and Menu", "Event Push" and other functions in the WeChat public platform.

1. Message reception and response
Message reception and response include text, pictures, voice, video and other types. The method of receiving messages is generally to receive the POST request pushed by the WeChat platform, process it in the code, and then respond to the user through a reply message.

The specific implementation can be accomplished using PHP's CURL library through the curl_init() function and curl_exec() function.

2. Event reception and response
Event reception and response include attention events, menu click events, QR code scanning events, etc. Similarly, these events are POST requests pushed to the developer server through the WeChat public platform, which are processed in the code and responded with.

4. Menu configuration

In the development of WeChat public accounts, the menu is a very important component. It is not only convenient for users to operate, but also an important tool for business promotion. In the WeChat public platform, the menu can be configured through "custom menu".

Implementing custom menus can be achieved through the API provided by the WeChat public platform, which mainly includes functions such as menu creation, query and deletion.

5. Configuration and implementation of WeChat payment

When developing WeChat public accounts, the payment function is also a very important service. In the WeChat public platform, relevant configurations can be made through "WeChat Pay".

For WeChat payment, you first need to fill in the merchant ID, Appsecret, merchant key and other information in "WeChat Payment-Development Configuration". Afterwards, according to different payment scenarios, different payment functions can be realized through H5 payment, official account payment, APP payment, etc. provided by WeChat.

6. Summary

The above are the basic steps on how to use PHP to develop WeChat public accounts. Of course, there are many technical details that need to be considered in actual development. When developing, you need to have a deep understanding of the development documents of the WeChat public platform and continue to learn and practice in order to continuously improve your technical level and achieve better WeChat public account services.

The above is the detailed content of How to use PHP to develop WeChat public accounts. For more information, please follow other related articles on the PHP Chinese website!