New PHP Class - SEPA Engine - repost

Avg Bid (USD)
Project Budget (USD)
$30 - $250

Project Description:
I need some PHP-Classes to process SEPA Payments.

You could take the existing project from and extend this or create a new SEPA-Engine.

The Classes must support :

1. SEPA Payments
2. SEPA Core Direct Debit
3. SEPA Business to Business Direct Debit
4. Function to check the IBAN (you could copy the function from PEAR)
5. Function to check the Creditor-ID

It must be generic classes so it's possible to integerate the classes into different e-commerce systems.
Also this must be a Stand-Alone Class that don't need any includes.

All Infos about SEPA could be found at Wikipeda and the named links.

I will test die Outout with a payment processor from a german bank.

Must be ready in about 5 days.

I only add milestone payments during the project. All Milestones will be released after the Project is finished and all classes works. There will be no pre-payment.
We will define this Milestones :

1. Core Class with functions to create the blocks for all needed Payments/Debits
2. Adding the Service Functions to check IBAN and Creditor-Id
3. Payment Class
4. Core Direct Debit Class
5. B2B Direct Debit Class
6. Finetuning and Bugfixing

I'm a programmer too, so i will also check your code.

Skills required:
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$ 315
in 5 days
$ 300
in 30 days