administrator/components/com_categories/views/categories/view.html.php
protected function getSortFields()
	{
		return array(
			'a.lft' => JText::_('JGRID_HEADING_ORDERING'),
			'a.published' => JText::_('JSTATUS'),
			'a.title' => JText::_('JGLOBAL_TITLE'),
			'a.access' => JText::_('JGRID_HEADING_ACCESS'),
			'language' => JText::_('JGRID_HEADING_LANGUAGE'),
			'a.id' => JText::_('JGRID_HEADING_ID')
		);
	}
protected function getSortFields()
	{
		return array(
			'a.lft' => JText::_('JGRID_HEADING_ORDERING'),
			'a.published' => JText::_('JSTATUS'),
			'a.title' => JText::_('JGLOBAL_TITLE'),
			'a.access' => JText::_('JGRID_HEADING_ACCESS'),
			'language' => JText::_('JGRID_HEADING_LANGUAGE'),
			'a.id' => JText::_('JGRID_HEADING_ID')
		);
	}
protected function getSortFields ( ) { return array ( 'a.lft' => JText :: _ ( 'JGRID_HEADING_ORDERING' ) , 'a.published' => JText :: _ ( 'JSTATUS' ) , 'a.title' => JText :: _ ( 'JGLOBAL_TITLE' ) , 'a.access' => JText :: _ ( 'JGRID_HEADING_ACCESS' ) , 'language' => JText :: _ ( 'JGRID_HEADING_LANGUAGE' ) , 'a.id' => JText :: _ ( 'JGRID_HEADING_ID' ) ) ; }
Returns an array of fields the table can be sorted by

@return  array  Array containing the field name to sort by as the key and display text as value

@since   3.0
Returns an array of fields the table can be sorted by