SagePay Form library - Production ready - CI 2.1.0 compatible
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This CodeIgniter library handles payments via SagePay's
Form e-commerce system.

Setup instructions
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$_GET variables need to be enabled because Sage Pay returns a url like
payment_status/failure/?crypt=ByQZExM . To enable make these changes to
applicaton/config/config.php

$config['uri_protocol'] = "PATH_INFO";
$config['permitted_uri_chars'] = 'a-z 0-9~%.:_\-?'; // Added ?
$config['enable_query_strings'] = TRUE;

Usage
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All available values that can be passed to Sage Pay are listed in
controllers/sagepay_form_example.php

The controller and views provide a fully working example.

Schema
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Useful schema to store Sage Pay response into

TODO
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- Basket support