Dating Site Needs Payment Barrier

Avg Bid (USD)
Project Budget (USD)
$250 - $750

Project Description:
Hi everybody,

I run and at the moment it is a free dating/social site. I would like to intergrate a payment system with paypal so users can pay paypal and access the site.

The plan of action I would like to use is;

1) User visits site
2) A window pops up after 2:30 minutes saying that you must pay to use this site. The user cannot close the window has to click the paypal buttons. (or they leave the site) Each paypal button is the price point. There are 3 price points.
3) Once they pay and are approved then they can continue to access the site.
(This can be up to you how this is done, but maybe once they pay, they are emailed with a code, this code can unlock the window?)

Only works for registered users- ones who have created a profile
I have an affiliate backend where affiliates send me members. If an affiliate sends me a member then they get 50% of the sale. This will need integrating with the system already in place.

Payment prices;
$.99c for 24 hours
$9.99 for 1 month
$89.99 for 1 year

If the user pays then they can then surf the site without the window blocking them.

Skills required:
PHP, Software Architecture
About the employer:
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