Работа:
$position_up = 2;
$rowdata = Subjects::find_by_position($position_up);
echo $rowdata->menu_name; // prints out Equipment..so it works as it echo's well :)
Но этот не работает В нем говорится NULL, почему:
$position_up = 2;
$conditions =array('conditions'=>array('position = ?', $position_up));
$rowdata = Subjects::all($conditions);
var_dump($rowdata->menu_name); //returns NULL ? why ?