Sources & Maintenance
Drupal Research Install
Claims here were checked against a local Drupal install of core and the modules named below, rather than quoted from documentation.
Web Sources
| Source | URL | Guide Sections | Last Verified |
|---|---|---|---|
| Block API Overview | https://www.drupal.org/docs/drupal-apis/block-api/block-api-overview | 1, 22 | 2026-02-14 |
| Creating Custom Blocks | https://www.drupal.org/docs/creating-modules/creating-custom-blocks | 3, 22 | 2026-02-14 |
| Create Block Plugin | https://www.drupal.org/docs/creating-modules/creating-custom-blocks/create-a-custom-block-plugin | 3 | 2026-02-14 |
| Managing Blocks | https://www.drupal.org/docs/core-modules-and-themes/core-modules/block-module/managing-blocks | 9 | 2026-02-14 |
| DI in Block Plugins | https://www.drupal.org/docs/drupal-apis/services-and-dependency-injection/dependency-injection-in-plugin-block | 15 | 2026-02-14 |
| Drupalize.me Hello World Block | https://drupalize.me/tutorial/create-custom-hello-world-block | 3 | 2026-02-14 |
| Specbee Programmatic Blocks | https://www.specbee.com/blogs/programmatically-creating-block-in-drupal | 12 | 2026-02-14 |
| Cache Max-Age | https://www.drupal.org/docs/drupal-apis/cache-api/cache-max-age | 6 | 2026-02-14 |
| Cache Contexts | https://www.drupal.org/docs/drupal-apis/cache-api/cache-contexts | 6 | 2026-02-14 |
| Block Caching Examples | https://gorannikolovski.com/blog/block-caching-examples | 6 | 2026-02-14 |
| QED42 Block Caching | https://www.qed42.com/insights/mastering-page-and-block-caching-in-drupal | 6 | 2026-02-14 |
| Custom Visibility Conditions | https://www.jaypan.com/tutorial/custom-drupal-block-visibility-plugins-and-condition-plugin-api | 10 | 2026-02-14 |
| Condition Plugins Visibility | https://www.therussianlullaby.com/blog/condition-plugins-for-visibility-in-drupal/ | 10 | 2026-02-14 |
| Block Content Module Docs | https://www.drupal.org/docs/core-modules-and-themes/core-modules/block-content-module | 7 | 2026-02-14 |
| Layout Builder Module | https://www.drupal.org/docs/core-modules-and-themes/core-modules/layout-builder-module | 13 | 2026-02-14 |
| Configuration Management | https://www.drupal.org/docs/configuration-management | 17 | 2026-02-14 |
| Recipes Documentation | https://www.drupal.org/docs/distributions-modules-and-themes/creating-distributions/how-to-write-a-recipe | 17 | 2026-02-14 |
| Component Block Module | https://www.drupal.org/project/component_block | 18 | 2026-02-14 |
| SDC Documentation | https://www.drupal.org/docs/develop/theming-drupal/using-single-directory-components | 18 | 2026-02-14 |
| Drupal Security | https://www.drupal.org/docs/security | 21 | 2026-02-14 |
| Writing Secure Code | https://www.drupal.org/docs/security/writing-secure-code | 21 | 2026-02-14 |
| OWASP Drupal Security | https://cheatsheetseries.owasp.org/cheatsheets/Drupal_Security_Cheat_Sheet.html | 21 | 2026-02-14 |
| Drupal Coding Standards | https://www.drupal.org/docs/develop/coding-standards | 19, 20 | 2026-02-14 |
| Block API Reference | https://api.drupal.org/api/drupal/core%21modules%21block%21block.api.php/group/block_api | 16, 22 | 2026-02-14 |
| Core Block API | https://api.drupal.org/api/drupal/core%21lib%21Drupal%21Core%21Block/ | 22 | 2026-02-14 |
| Twig in Drupal | https://www.drupal.org/docs/theming-drupal/twig-in-drupal | 11 | 2026-02-14 |
| Entity API | https://www.drupal.org/docs/drupal-apis/entity-api | 8, 12 | 2026-02-14 |
| Form API | https://www.drupal.org/docs/drupal-apis/form-api | 4 | 2026-02-14 |
| Plugin API | https://www.drupal.org/docs/drupal-apis/plugin-api/plugin-api-overview | 10 | 2026-02-14 |
Code Sources
| Module/Component | Relative Path | Guide Sections | Drupal Version |
|---|---|---|---|
| Core Block API | core/lib/Drupal/Core/Block/ | 1, 3, 4, 5, 6, 15, 22 | 11.x |
| Block Module | core/modules/block/ | 1, 9, 11, 16, 17, 22 | 11.x |
| Block Content Module | core/modules/block_content/ | 1, 7, 8, 12, 13, 22 | 11.x |
| Layout Builder Module | core/modules/layout_builder/ | 1, 13, 22 | 11.x |
| System Module Blocks | core/modules/system/src/Plugin/Block/ | 3, 4, 6, 14, 15, 19, 22 | 11.x |
| User Module Blocks | core/modules/user/src/Plugin/Block/ | 5, 14, 15, 22 | 11.x |
| Views Module Blocks | core/modules/views/src/Plugin/Block/ | 14, 22 | 11.x |
| Search Module Blocks | core/modules/search/src/Plugin/Block/ | 14, 22 | 11.x |
| Help Module Blocks | core/modules/help/src/Plugin/Block/ | 14 | 11.x |
| Condition Plugins | core/lib/Drupal/Core/Condition/ | 10, 22 | 11.x |
| User Condition Plugin | core/modules/user/src/Plugin/Condition/ | 10 | 11.x |
| System Condition Plugins | core/modules/system/src/Plugin/Condition/ | 10 | 11.x |
| Block Templates | core/modules/block/templates/ | 11 | 11.x |
| Component Render Element | core/lib/Drupal/Core/Render/Element/Component.php | 18 | 11.x |
Version: 1.0 Last Updated: 2026-02-14 Target Drupal Version: 11.x Total Sections: 22