Settings API http://codex.wordpress.org/Settings_API
WP options plugin setting not saving the selected checkboxes - WordPress Development Stack Exchange
Using Checkboxes on Plugin Options Page for Custom Plugin - WordPress Development Stack Exchange
Demystifying WordPress Settings API using OOP | by Kofi Mokome | Medium
Unable to save information to the database from custom sub-page at Wordpress Admin Panel - Stack Overflow
3 Approaches To Adding Configurable Fields To Your WordPress Plugin — Smashing Magazine
Creating Options Pages « WordPress Codex
Settings API Explained | Press Coders
Using Checkboxes on Plugin Options Page for Custom Plugin - WordPress Development Stack Exchange
5 Ways to Create a WordPress Plugin Settings Page
Making an Admin Options Page With the WordPress Settings API • WPShout
Settings API in depth with PsySH | Learn with Daniel - A learner diary
Create a WP Theme Settings Page with the Settings API — SitePoint
Settings API « WordPress Codex
Create Settings Pages in WordPress
Making an Admin Options Page With the WordPress Settings API • WPShout
A Full WordPress Plugin Example — Part 5 Settings page – GloomyCorner
Settings API in depth with PsySH | Learn with Daniel - A learner diary
How to Build a WordPress Plugin | Toptal®
admin - my checkbox is not saving it's value in WordPress
WordPress Settings API Hidden Field - SkyVerge
