Zend has officially announced their Call for Papers for this year's Zend/PHP Conference and Expo (2007):

2007 marks the third anniversary of the Zend/PHP Conference and Expo. Focused on the PHP, the world's fastest growing web development language, this year’s conference is guaranteed to again be bigger and better than ever.

The 2007 conference will bring together PHP practitioners and business managers from around the world for three days of exceptional presentations and outstanding networking.

If you're thinking about presenting this year, check out the Guidelines which includes the different areas they're looking for submissions in (including "How has PHP impacted your business – Revenue Growth, Customer Satisfaction, Time", "PHP/Java/.NET mixing, matching or choosing", "Business Intelligence and PHP applications" and much more.

The conference this year will be happening from October 8th-11th at the Hyatt Regency San Francisco Airport out in Burlinggame, CA.