Category: Contact Form 7

If distributing on wordpress.org, follow official plugin guidelines.

Test validation, mail, AJAX events, and integrations with a checklist.

Capstone: build a complete CF7 addon with settings, mail_sent sync, and admin notice dependency checks.

Use `$wpdb->prepare` / `insert` APIs when storing CF7 data.

Escape entry data when rendering in admin or front-end dashboards.

Troubleshoot mail delivery, validation, and JS conflicts.

Keep CF7 pages fast by loading assets only where needed when possible.

Follow WPCS for readable, secure addon code.

Add a gateway with settings, charge flow, and submission status handling.

Sync submissions to your API with timeouts and error logging.