get_columns() get_columns() : Array Override the parent columns method. Defines the columns to use in your listing table Returns Array
column_default() column_default(Array $item, String $column_name) : Mixed Define what data to show on each column of the table Parameters Array $item Data String $column_name Current column name Returns Mixed
sort_data() sort_data( $a, $b) : Mixed Allows you to sort the data by the variables set in the $_GET Parameters $a $b Returns Mixed