Zend Form — validate an array of data

Updated Zend SubForm usage

Darrin's Tech Ramblings

Using Zend Framework v 1.12, we can validate an array of data using a subForm.
In this example, we want to validate up to 10 transaction_ids passed in an array.
The validation for each will used Zend_Validate_Db_RecordExists to make sure the transaction_id exists in the database and is for the currently logged in seller_id.

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