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How are fields added to a property in Drupal?
Fields are added in automatically by the Entity API module, as long as the field type is supported. However, the module providing the field type has to provide the appropriate mapping to property info.
What are field settings and instance settings in Drupal?
Fields support both field settings and instance settings. In case you aren’t familiar, field settings apply to all places where that field is used and Instance settings apply only to that instantiation of that field. Some field types support only field settings, others support only instance settings and some support both.
How are theme functions named in Drupal 7?
New in Drupal 7, theme functions can have preprocess functions just like templates. Copying and modifying template files are still considered more friendly for themers than overriding theme functions in template.php. Theme functions are named by prepending ‘theme_’ to the name of the hook.
What to do with multiple column fields in Drupal?
For multiple-column fields it makes sense to specify the provided verbatim getters/and setters entity_metadata_field_verbatim_get and entity_metadata_field_verbatim_set, which just return or set the full data structure of your field in a certain language (e.g. array(‘value’ => ‘foo’) ).
Are there any issues with file entity in Drupal?
If you are having problems with the alternate and title text fields when using image fields without the Media module widget, there is a core patch in #2066275-1: file_field_load () overwites any field item properties with file entity properties that will resolve it that hasn’t been included in an official release yet.
What does hook entity property info do in Drupal?
In short hook_entity_property_info () is for collecting information about all the available entity properties – regardless of whether they are fields or not – in order to make them all accessible in the same way. For simply making use of that information, the entity API provides the so called ” Entity metadata wrappers “.
How to validate file extensions and file size in Drupal?
We just need to mention file_validate_extensions & file_validate_size under upload_validators. The #upload_validators is part of the non-standard form element properties for a managed file form element. Thanks for contributing an answer to Stack Overflow!