core-bundle/src/Resources/contao/library/Contao/Controller.php
protected function prepareForWidget($arrData, $strName, $varValue=null, $strField='', $strTable='')
	{
		@trigger_error('Using Controller::prepareForWidget() has been deprecated and will no longer work in Contao 5.0. Use Widget::getAttributesFromDca() instead.', E_USER_DEPRECATED);

		return Widget::getAttributesFromDca($arrData, $strName, $varValue, $strField, $strTable);
	}
protected function prepareForWidget($arrData, $strName, $varValue=null, $strField='', $strTable='')
	{
		@trigger_error('Using Controller::prepareForWidget() has been deprecated and will no longer work in Contao 5.0. Use Widget::getAttributesFromDca() instead.', E_USER_DEPRECATED);

		return Widget::getAttributesFromDca($arrData, $strName, $varValue, $strField, $strTable);
	}
Convert a DCA file configuration to be used with widgets

@param array  $arrData  The field configuration array
@param string $strName  The field name in the form
@param mixed  $varValue The field value
@param string $strField The field name in the database
@param string $strTable The table name

@return array An array that can be passed to a widget

@deprecated Deprecated since Contao 4.0, to be removed in Contao 5.0.
Use Widget::getAttributesFromDca() instead.