Module Building

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drupal/module-building

Create a Node Within a Drupal 9 Controller

There are a few basic things a developer needs to do in a custom module.... node creation is top of my list.

This code is within a controller that is part of a custom module. I won't explain how to build the module but this code is within a file called ReportController.php.

The basic file code is:

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SQL Within a Drupal 9 Controller

There are a few basic things a developer needs to do in a custom module.... SELECT, INSERT and DELETE queries are top of my list and this article demonstrates a few examples of SELECT and INSERT queries.

This code is within a controller that is part of a custom module. I won't explain how to build the module but this code is within a file called ReportController.php.

The basic file code is:

Read more about SQL Within a Drupal 9 Controller

Example of hook_form() and hook_form_submit()

For every settings page you'll need to use the Form API to allow the user to add/edit the configuration values. This is a simple example of the form and the submit function.

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Example of hook_menu()

Adding a module configuration or settings page to the main Drupal menu is an important task and I like to add a page for each module I build...
Even if it's more of a 'help' page to explain what the module does or how to use it.

Adding one page is fairly simple....

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Example of hook_permission()

hook_permission() is a handy way to allow certain roles to access certain pages, i.e. the 'Administrator' to change settings and say 'Comms Team' to view the results. As per a lot of Drupal building the return value must be a nested array, and that can be tricky to remember... So here is an example.