PHP Alipay interface development steps

The process of connecting php to Alipay is written here for the reference of novices like me.

#1. First of all, you must create an application (choose the functions you want, and it seems that you need to sign a contract for the payment function)

2. Download SDK&Dome (URL https://doc.open.alipay.com/docs/doc.htm?spm=a219a.7629140.0.0.CBtzBF&treeId=203&articleId=105910&docType=1)

I chose the MD5 signature method. The red box below is the completed php Demo (recommended learning: PHP programming from entry to proficiency)

The lib file is very important, it is the core class file of the entire interface;

alipay.config.php is the configuration file for related parameters

alipayapi.php is the Alipay interface entry file

notify_url.php is the server asynchronous notification page file;

return_url.php is the page jump synchronous notification file;

3. Open alipay.config.php

4. After the configuration is completed, this small example can be accessed directly

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