src/Api/Categories.php
public static function ReadAll($app = 'phpgw')
    {
        $Categories = new Api\Categories(0, $app);

        return $Categories->return_array('all', 0, true, '', 'ASC', '', true, null, -1, '', null);
    }
public static function ReadAll($app = 'phpgw')
    {
        $Categories = new Api\Categories(0, $app);

        return $Categories->return_array('all', 0, true, '', 'ASC', '', true, null, -1, '', null);
    }
public static function ReadAll ( $ app = 'phpgw' ) { $ Categories = new Api \ Categories ( 0 , $ app ) ; return $ Categories -> return_array ( 'all' , 0 , true , '' , 'ASC' , '' , true , null , - 1 , '' , null ) ; }
Returns all Categories.

@param string $app [If app given it will read only the categories of the app]
Returns all Categories .