function FileExtensionFormatter::isApplicable
Overrides BaseFieldFileFormatterBase::isApplicable
File
- 
              core/
modules/ file/ src/ Plugin/ Field/ FieldFormatter/ FileExtensionFormatter.php, line 70  
Class
- FileExtensionFormatter
 - Formatter to render a filename as file extension.
 
Namespace
Drupal\file\Plugin\Field\FieldFormatterCode
public static function isApplicable(FieldDefinitionInterface $field_definition) {
  // Just show this file extension formatter on the filename field.
  return parent::isApplicable($field_definition) && $field_definition->getName() === 'filename';
}
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