Drupal

Drupal 8+'s .info.yml version constraints for dependencies are weird! The Drupal.org module development .info.yml docs version constraints for dependencies section informs that these constraints are custom Drupal and differ from composer

When building a multilanguage project in Drupal 8+, you need to know some important steps. One of them is Drupal Views multilanguage configuration. Drupal Views are a flexible tool and as such they offer you many ways to display your

Defining a proper Schema for a custom field Type in Drupal 8+ doesn't seem to be very well documented yet. Luckily, the core gives us some good examples to start from. For that reason, you should have a look into the core modules that

When developing custom modules for Drupal, translating the user interface strings can not benefit from the localize.drupal.org infrastructure, like for contrib modules. So you need a way to provide these UI translations in your custom

Are you wondering how to set classes on Drupal 8+'s FAPI checkboxes / radios single options or disable one of them? Let me help you! Checkboxes and Radios Form Elements are implemented similarly in Drupals Form API (FAPI): // Checkboxes:

In advanced Drupal 8+ Development you may run into this error: Exception: Serialization of 'Closure' is not allowed in serialize() (line 14 of core/lib/Drupal/Component/Serialization/PhpSerialize.php). In my case, it happened when

Should you run into the situation where you need to reset the module config to the installation state (for what ever reasons), then this snippet might help you: \Drupal::service('config.installer')->installDefaultConfig('module', $module)

Do you see one of the following errors in your Drupal 8+ Status Report? Mismatched entity and/or field definitions The XXX field needs to be updated. The XXX field needs to be uninstalled. This is caused by mismatch in the field (storage)

The Drupal Form API (FAPI) #tree property is helpful and needed when using form containers like details, fieldset or others. Also it's helpful if you need to nest form values and also want to nest their results. On the othe hand it becomes

Drupal Form API doesn't offer a native HTML type="reset" button known from the W3C: https://www.w3.org/TR/2012/WD-html-markup-20121025/input.reset.html So if you ever need one, this might be a good starting point in Drupal 8+: 'reset' => [