# double-opt-in/5.1.6/src/Integration

Double Opt-In for Contact Form 7 – Secure, GDPR-Compliant Email Verification, version 5.1.6. 8 entries.

- Page: https://pluginprobe.com/plugins/double-opt-in/5.1.6/code/src/Integration
- Release archive: https://downloads.wordpress.org/plugin/double-opt-in.5.1.6.zip

- file [AbstractFormIntegration.php](https://pluginprobe.com/plugins/double-opt-in/5.1.6/code/src/Integration/AbstractFormIntegration.php)
- file [AdminPanelInterface.php](https://pluginprobe.com/plugins/double-opt-in/5.1.6/code/src/Integration/AdminPanelInterface.php)
- file [CF7Integration.php](https://pluginprobe.com/plugins/double-opt-in/5.1.6/code/src/Integration/CF7Integration.php)
- file [FormData.php](https://pluginprobe.com/plugins/double-opt-in/5.1.6/code/src/Integration/FormData.php)
- file [FormDataInterface.php](https://pluginprobe.com/plugins/double-opt-in/5.1.6/code/src/Integration/FormDataInterface.php)
- file [FormIntegrationInterface.php](https://pluginprobe.com/plugins/double-opt-in/5.1.6/code/src/Integration/FormIntegrationInterface.php)
- file [FormIntegrationRegistry.php](https://pluginprobe.com/plugins/double-opt-in/5.1.6/code/src/Integration/FormIntegrationRegistry.php)
- file [OptInError.php](https://pluginprobe.com/plugins/double-opt-in/5.1.6/code/src/Integration/OptInError.php)

Append `?format=md` to any of these, or send `Accept: text/markdown`, to read them as
Markdown. Add `/raw/` in place of `/code/` for the file with no wrapper at all.