The 3 php files should be copied to the web public folder with full access

the "read_order.php" file reads the new orders from the web site with "read_status" = 1

the "set_read_status.php" file is for setting the order has been read from the shop epos
and sets the status of then order with "read_status" = 2

the "AcceptOrder.php" file is for Accepted order from the shop epos
and sets the status of then order with "read_status" = 3

the "RefuseOrder.php" file is for Declined order from the shop epos
and sets the status of then order with "read_status" = 4

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This field needs to added to the main Orders table

name:	read_status
type:	integer
	not null
	default 0

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Status Values
0 = Pending - waiting to be finalised or paid (We do not get the order at this point)
1 = Processing - The web order has been completed and is read from the shop eops terminal
2 = Recevived  - The web order has been read from the shop epos
3 = Accepted - Order accepted from the shop epos
3 = Declined - Order refused from the shop epos

Remember to set the "read_status" field to 1 in your software, only after the order has been completed and/or paid, because PayPal and other other credit card companies write the order before the payment has finished.

Change the database and shop details in the files etc.