CakePHP Expert | Manual Offline Payment form

i have web app written with CakePHP •it has customer and Admin panel •Customer panel we provide different packages to purchase •We have paypal and payUmoney and Ccaveneu integrated already •What we are planning is to add 1 more options for purchase after this stage of checkout system •Manual offline payment option on checkout : which provide our buyers a 》Php Form with our Instruction of payment 》and Buyer fill their Name , registered Email , phone number , their payment details (free text box ) , and 2 file upload button (to upload their vouchers ) 》》》 •After submission of this manual offline payment form , the will check out with their package but it stays PENDING 》》》 • [Inside Admin panel: we will be able to get this info , message/ notification : we will verify their details and we will assign their respective package] 》》》