public Fieldgroup::getInfo()
Returns the element properties for this element.
array An array of element properties. See \Drupal\Core\Render\ElementInfoManagerInterface::getInfo() for documentation of the standard properties of all elements, and the return value format.
Overrides Fieldset::getInfo
public function getInfo() { return array( '#attributes' => array('class' => array('fieldgroup')), ) + parent::getInfo(); }
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https://api.drupal.org/api/drupal/core!lib!Drupal!Core!Render!Element!Fieldgroup.php/function/Fieldgroup::getInfo/8.1.x