Explanation of the follow function

Recently, there is a voting event on the WeChat platform. You need to follow the public account before you can participate in the voting. So, how to judge whether the user has followed the public account? The first idea is to get the public account's watch list and then search whether there is a participant's openid in the list. But I immediately discovered a problem, that is, this method requires getting the watch list every time, and when the official account has a lot of fans, this method is more difficult. The following uses the PHP method to determine whether the user has followed the official account:

1. Use php to determine whether the user follows the WeChat public account

#Introduction: This article mainly introduces PHP to determine whether the user follows the WeChat public account in detail. It has certain reference value. Interested friends can refer to it

2. PHP determines the character type php determines whether the user follows the WeChat public account

Introduction: PHP determines the character type: PHP determines the character type php determines whether the user follows WeChat Public account: Recently, there will be a voting event on the WeChat platform. You need to follow the public account before you can participate in the voting. So, how to judge whether the user has followed the public account? The first idea is to get the public account's watch list and then search whether there is a participant's openid in the list. But I immediately discovered a problem, that is, this method requires getting the watch list every time, and when the official account has a lot of fans, this method is more difficult. The following uses the PHP method to determine whether the user has followed the public account:

##3.

javascript - You must follow the WeChat public platform before you can vote SegmentFault

Introduction: After the page user votes, how does the php background determine whether the WeChat user has followed the WeChat public account? You must follow the WeChat public platform before you can vote

4.

WeChat determines whether the user follows

Introduction: WeChat determines whether the user follows

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