Tag: Tutorial

Connect plugins to external services with secure keys and resilient HTTP calls.

Attach uploads as media library items and reuse WP media UI.

Schedule recurring tasks with WP-Cron for reports, syncs, and cleanup.

Send notifications and transactional email using wp_mail().

Improve deliverability by routing wp_mail through SMTP.

Integrate with WP user registration/login flows or build custom gated forms securely.

Submit forms via fetch/jQuery and return JSON success or validation errors.

Validate plugin forms on the server even if you also validate in JavaScript.

Handle uploads securely with wp_handle_upload and filetype checks.

Register logged-in and logged-out AJAX handlers correctly.