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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.

Compétences : PHP

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Concernant l'employeur :
( 12 commentaires ) Caboolture, Australia

N° du projet : #21938

Décerné à :

wit55

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.

30 $ USD en 2 jours
(2 Commentaires)
2.2

14 freelance font une offre moyenne de $60 pour ce travail

netdevbiz

Please view PMB.

50 $ USD en 1 jour
(106 Commentaires)
7.8
cstl

[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 Plus

90 $ USD en 5 jours
(18 Commentaires)
6.9
Spin

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

100 $ USD en 2 jours
(3 Commentaires)
4.7
jimkey

Hi. I can help make it secure.

50 $ USD en 1 jour
(9 Commentaires)
4.5
avissoft

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.

30 $ USD en 1 jour
(15 Commentaires)
4.2
albertandrejev

I can make this for you. Thank you

35 $ USD en 1 jour
(5 Commentaires)
3.8
ebusiness2

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 Plus

100 $ USD en 10 jours
(3 Commentaires)
3.4
isurus

See PMB for more details. Regards, Simon

100 $ USD en 1 jour
(1 Commentaire)
2.8
jsabanskis

Details sent by PMB.

70 $ USD en 3 jours
(2 Commentaires)
1.9
amado00

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

40 $ USD en 1 jour
(1 Commentaire)
1.8
chaithanya36042

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...

60 $ USD en 3 jours
(0 Commentaires)
0.0
phpmiami

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

50 $ USD en 1 jour
(0 Commentaires)
0.0
Seeks

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 Plus

40 $ USD en 1 jour
(0 Commentaires)
0.0