Wordpress create plugin

https://www.sitepoint.com/real-world-example-wordpress-plugin-development/

https://youtu.be/zCLr8LNfhu4

guides

short guide https://www.youtube.com/watch?v=mm9aQiLEa10&list=PLz-tsD7hAvuuvi9K6ukLdaSp9-T2I7xeV

Part 4 save in DB

long guide https://www.youtube.com/watch?v=0l7JTie_6jM&list=PLriKzYyLb28kR_CPMz8uierDWC2y3znI2

Db

Wpdb

setting dubug

wp-config.php

define('WP_DEBUG', true)

https://codex.wordpress.org/Debugging_in_WordPress