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integration of new payment system

I'm looking for someone who can help me with the integration of a payment system. I have now a working version but they have upgrade their system and now it doesn't work. The new system is almost the same like the old one.

You can analyse a problem very fast and messages like 'headers Cannot modify header information - headers already sent by' are not strange for you.

I have a complete english manual in pdf for you but I think when you are smart you will understand what is wrong by error.

Your bid is not your final bid. When you need to do additional work then I will pay you for it. I'm looking for a smart guy (or woman) who can analyse the problem and fix it. And can start at this moment.

You are working in a simulation mode.

Færdigheder: PHP

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Om arbejdsgiveren:
( 60 bedømmelser ) Veendam, Netherlands

Projekt-ID: #105366

6 freelancere byder i gennemsnit $68 for dette job

sanjay2004

ready to start.

$100 USD på 1 dag
(490 bedømmelser)
9.4
outsourcedev

Please check it out the PM for more info, thanks…

$30 USD in 0 dage
(96 bedømmelser)
6.8
shreesoft

Lets Start. Regards Govind

$80 USD in 3 dage
(26 bedømmelser)
5.9
biznetstar

see your pm .

$50 USD in 0 dage
(63 bedømmelser)
5.8
Sanjay778

Hi, i am agree to start now. waiting for your pm, thanks

$100 USD på 1 dag
(0 bedømmelser)
0.0
eyeflux

We can do it. Here's a link to our portfolio. http://www.eyeflux.com/Portfolio

$50 USD in 0 dage
(0 bedømmelser)
0.0