Ask for advice and guidance: PHP builds a calendar like Google

Ask for advice and guidance: PHP builds a calendar like Google
If you build a calendar like Google in PHP, you can display data (such as an existing work plan) within a daily space inside the calendar, and you can modify or insert new plan data within a blank date. Can't find a clue, do you have any good suggestions? Thank you
PHP Calendar JavaScript JQuery Ajax

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Calendar controls work in the browser, not directly related to PHP
You can find a lot of this stuff on the Internet, you pick the one that suits you best.
Of course, want to change the function inside or need to have JS Foundation
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If OA is a kind of schedule record, online a lot of ready-made can refer

In general, the client uses JS to display, edit, and then submit to the server-side save, using AJAX to submit customer experience better

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