Wechat official account to achieve regular push messages?

there is such a function. In Wechat"s official account, the user booked an activity and got the openid and appointment time after the reservation. However, if you want to realize, 24 hours before the start of the event, the official account actively pushes the reservation information. How to achieve this? please give us some ideas.

Php
Mar.02,2021

this?
Wechat Public platform-one-time subscription message
scheduled message, let's not talk about it.


look at the document.
Mass sending API
template message


the official account actively pushes the message directly to see the document. The document is very detailed. As for those who send messages regularly, You can write an external interface to send messages and use crontab polling. Once you find that there are scheduled tasks in the redis queue that need to be executed, you can call this external interface to send messages


template messages .

MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1eaaa5c-1ff6.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1eaaa5c-1ff6.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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