WordPress Debugging for Plugin Developers — a practical guide to WP_DEBUG plugin debugging with clear examples you can reuse in real projects.
WordPress Plugin Development Series (76/95). Prefer one article? Read the complete WordPress plugin development tutorial.
Short description
Use `WP_DEBUG`, `WP_DEBUG_LOG`, and Query Monitor. Fix notices before release.
wp-config debug
define('WP_DEBUG', true);
define('WP_DEBUG_LOG', true);
define('WP_DEBUG_DISPLAY', false);