This document provides information about PHP Day 2010, an upcoming conference about PHP and web technologies. The agenda includes topics on e-commerce, HTML5/CSS3, PHP frameworks, and challenges of popular websites. It will be held on December 18, 2010 at the Bao Son Hotel in Hanoi, Vietnam. The organizer is VNext Software and AITI Aptech. There will be presentations from various companies and individuals. Around 180 people are expected to attend. Information on prior PHP Day events from 2008 and 2009 is also included, such as location, topics, presenters, and organizers. Sponsorship opportunities for PHP Day 2010 are outlined.