# wordpress-seo/18.9/src/helpers/schema

Yoast SEO – Advanced SEO with real-time guidance and built-in AI, version 18.9. 6 entries.

- Page: https://pluginprobe.com/plugins/wordpress-seo/18.9/code/src/helpers/schema
- Release archive: https://downloads.wordpress.org/plugin/wordpress-seo.18.9.zip

- file [article-helper.php](https://pluginprobe.com/plugins/wordpress-seo/18.9/code/src/helpers/schema/article-helper.php)
- file [html-helper.php](https://pluginprobe.com/plugins/wordpress-seo/18.9/code/src/helpers/schema/html-helper.php)
- file [id-helper.php](https://pluginprobe.com/plugins/wordpress-seo/18.9/code/src/helpers/schema/id-helper.php)
- file [image-helper.php](https://pluginprobe.com/plugins/wordpress-seo/18.9/code/src/helpers/schema/image-helper.php)
- file [language-helper.php](https://pluginprobe.com/plugins/wordpress-seo/18.9/code/src/helpers/schema/language-helper.php)
- file [replace-vars-helper.php](https://pluginprobe.com/plugins/wordpress-seo/18.9/code/src/helpers/schema/replace-vars-helper.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.