user pannel

https://www.taniarascia.com/wordpress-part-three-custom-fields-and-metaboxes/

WordPress Meta Boxes: a Comprehensive Developer’s Guide

https://github.com/themefoundation/custom-meta-box-template

https://paulund.co.uk/

https://juejin.im/entry/5654229300b0c0606f6e4b17

https://blog.restcase.com/restful-api-authentication-basics/

https://rudrastyh.com/wordpress/rest-api-create-delete-posts.html