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Securing a webpage from re-entry

[url removed, login to view]

I have a webpage that users pay to enter. After they pay they are taken to the above url and then to a calculation oage.

The last eight characters of the above url is the receipt number for the payment KG8S0KP4 , IN THIS CASE. This code should not be used more than once.

I am after quotes for a PHP programmer to secure the site to make sure that the same code is not used more than once, and that the page following this url which is entered from this page is not accessed without a valid receipt number.

The url of the next page is [url removed, login to view]

I do not want this page displayed unless the user has a valid receipt code that has not been used before, at least in the last six months.

This is the calculation page that the user is paying to use, each time he uses it.

After he pays he goes to a page like

[url removed, login to view]

and is then linked to the calculation page.

You need to setup a PHP program to ccheck the validity of the code from a database of codes and dates to make sure that the same code hasnt been used in the last six months.

I am using [url removed, login to view] to take the payments by credit card which will soon have PayPal added.

clickbank provides the receipt code on the Thank You page.

Beceriler: PHP

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İşveren Hakkında:
( 12 değerlendirme ) Caboolture, Australia

Proje NO: #21938



It's a very straight-forward project. I should be able to finish it within the day. Well, I put 2 days just in case.

2 gün içinde 30$ USD
(2 Değerlendirme)

14 freelancers are bidding on average $60 for this job


Please view PMB.

1 gün içinde 50$ USD
(106 Değerlendirme)

[url removed, login to view] is a customer-specific service oriented company has got an Professional and creative team with 6 years experience in Web design and development. We pay attention to every small detail and make your site Daha fazlası

in 5 gün içinde90$ USD
(18 Değerlendirme)

We will doing all that you want (and more... :-))). Quickly, Professional, Quality - our answer you and your organization. There are questions?

in 2 gün içinde100$ USD
(3 Değerlendirme)

Hi. I can help make it secure.

1 gün içinde 50$ USD
(9 Değerlendirme)

Hi, I can do the job for you. I am an expert php/mysql programmer. I can even do this job for you for as low as $5 becuase i just need good reviews and $5 will be going towards getafreelancer project fee. Thanks.

1 gün içinde 30$ USD
(15 Değerlendirme)

I can make this for you. Thank you

1 gün içinde 35$ USD
(5 Değerlendirme)

Our bid is for really very high quality work for your Securing a webpage from re-entry that will be made to be upgradable in case you need some upgrades in future. We will always be available for upgrades. Our bid inc Daha fazlası

in 10 gün içinde100$ USD
(3 Değerlendirme)

See PMB for more details. Regards, Simon

1 gün içinde 100$ USD
(1 Değerlendirme)

Details sent by PMB.

in 3 gün içinde70$ USD
(2 Değerlendirme)

See PMB. Very Simple project. Anyone charging more than 50 is ripping you off.

1 gün içinde 40$ USD
(1 Değerlendirme)

We are ready to take up [url removed, login to view] needs a simple config file which we can configure [url removed, login to view] forward to work with you...

in 3 gün içinde60$ USD
(0 Değerlendirme)

We are a team of programmer ready to take your project, check PMB

1 gün içinde 50$ USD
(0 Değerlendirme)

Dear Sir/Madam, This is a very simple project and we can complete it within a few hours. We have completed many projects like this before. If you would like some examples please ask. I can give an estimated time of Daha fazlası

1 gün içinde 40$ USD
(0 Değerlendirme)