Build a CRUD masterpiece using PHP Zend Framework 1.12, Bootstrap and Postgresql

The functionality required for this competition is very simple: - Create an invoice: create a new invoice in the database - Modify the invoice: modify the title, date and sub-items of the invoice (add more sub-items, remove sub-items, modify existing sub-items) - Delete the invoice: delete the invoice and all its sub-items from the database - Search invoices: search invoices by title and list them on a grid. An invoice is composed of (see image attached): - Number: a unique id of the invoice - Title: a short description of the invoice - Date: the time stamp when the invoice was created - Sub-items: - Description: a short description of the item - Quantity: the amount of items - Price: the price per item Invoices must contain at least one sub-item Requirements: - All database operations must be performed using transactions - Code must be well documented - Code must include unit tests for all the database interactions - The functionality must be implemented in PHP using Zend 1.12 - The database to be used is Posgresql - Booststrap can be used for creating the user interface The winner of the contest will be chosen based on the following criteria: - All functionality and testing implemented - Best user interface: simplicity, catchy and user friendly - Best coding practices: use MVC well, use coding standards, comments and extra documentation Please submit: - Screen captures (images / videos) showing parts or the whole functionality being used by a user - Screenshots of the code - Other information that you consider necessary The chosen freelancer will need to submit the full code before the funds are transferred so it can be asserted that the functionality is complete and that it follows all the specifications.