With this online generator, you can unserialize a PHP string back into an array.

PHP and Javascript Code Snippets for Common Uses
With this online converter, you can convert any valid XML string into a corresponding JSON string.
A simple javascript module for converting XML into JSON within the browser download here
With this online formatter, you can “prettify” a clustered and mangled (yet valid) XML string
Download XML to PHP array convertor
Smart tool to convert your XML to PHP array.