- function po_line_details($line_no, $stock_item, $item_descr, $qty, $prc, $uom, $req_del_date,
- $qty_inv, $qty_recd, $grn_item_id=0)
+ function __construct($line_no, $stock_item, $item_descr, $qty, $prc, $uom, $req_del_date,
+ $qty_inv, $qty_recd, $qty_ordered=0, $grn_item_id=0)