Crawling tracking post office site by PHP

Project Description: ========================== Simple php crawler class, NO user interface is needed. Make a PHP class, which accept a tracking number variable. It will go to a post office web site (plz PM us to ask) to do the trace. There is NO api for that posting company. So, you need to run a crawler to break down the tracking result. The class can return an array, or JSON or XML format base on our need. Code must be clean without any warning or error in PHP. Server: ========================== Apache 2.2.15 (Red Hat) MySQL 5.1.52 PHP 5.3.3 Payment: ========================== 1st 50% in milestones once we accept your offer. 2nd 50% in milestones when you show the working copy in your server. 100% release after you send the code to us, and tested in our server. Terms and deadline: ========================== We work in freelancer many times already. Most of the programmer can do what they said. If you CANNOT finish your code in the stated time frame, we will simply cancel the project and ask for money refund. We don't accept late project submission. We stated these clearly now, and don't want to argue when things go wrong. If you DO NOT agree, please DO NOT bid. If you agree, please PM us to ask for the post office web site. we will provide you the detail tracking number to trace.