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

Double Opt-In for Contact Form 7 – Secure, GDPR-Compliant Email Verification, version 5.1.6. 5 entries.

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

- file [AvadaDeprecationNotice.php](https://pluginprobe.com/plugins/double-opt-in/5.1.6/code/src/Migration/AvadaDeprecationNotice.php)
- file [GrandfatherLicenseClient.php](https://pluginprobe.com/plugins/double-opt-in/5.1.6/code/src/Migration/GrandfatherLicenseClient.php)
- file [MigrationFormCompletenessSweep.php](https://pluginprobe.com/plugins/double-opt-in/5.1.6/code/src/Migration/MigrationFormCompletenessSweep.php)
- file [MigrationInterface.php](https://pluginprobe.com/plugins/double-opt-in/5.1.6/code/src/Migration/MigrationInterface.php)
- file [MigrationRegistry.php](https://pluginprobe.com/plugins/double-opt-in/5.1.6/code/src/Migration/MigrationRegistry.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.