protected function checkColumns()
	{
		$success = false;

		if ( ! empty($this->form_input['columns']) )
		{
			$success = true;
		}
		else
		{
			$this->appendError("No_columns","No column name setted: you need to fill atleast one \"column_\" field");
		}

		return $success;
	}
protected function checkColumns()
	{
		$success = false;

		if ( ! empty($this->form_input['columns']) )
		{
			$success = true;
		}
		else
		{
			$this->appendError("No_columns","No column name setted: you need to fill atleast one \"column_\" field");
		}

		return $success;
	}
protected function checkColumns ( ) { $ success = false ; if ( ! empty ( $ this -> form_input [ 'columns' ] ) ) { $ success = true ; } else { $ this -> appendError ( "No_columns" , "No column name setted: you need to fill atleast one \"column_\" field" ) ; } return $ success ; }
Check the column field if atleast one exists
@return Boolean $success
Check the column field if atleast one exists