build php app

I want to create a php application that takes input from the user and registers them on the same site so that another user can log in and review it
The app is not public, it is only for those who log in
The nature of the business is a transport and delivery company
The sender of the shipment, who is the first party, adds a picture and details of the shipment and the amount to be collected from the second party in the second country when the shipment arrives at him.
Then the second party enters his username and presses a button through which he confirms that the shipment has been delivered to the customer and enters the amount that has been collected and is there an amount remaining or not
As for the person in charge, the user name of the administrator will have the powers to modify anything
And see a report explaining it
The total amounts to be collected based on the data statistics entered by the first party
And the number of shipments and the total amounts collected from the second party
And the history of any transaction is recorded automatically in a special place in the history