The Zend Developer Zend has posted the announcement that the Call for Papers for this year's ZendCon - The PHP Conference has been opened.

Welcome to the Call for Papers for the 2009 edition of ZendCon – The PHP Conference. This year's conference will be held October 19th – 22nd at the San Jose Convention Center and is being co-presented by S&S Media. It is the largest gathering of the PHP Community and the premier PHP conference, allowing all attendees to mingle with decision makers, core developers, prominent community members, and so many more.

The scope of this year's conference has widened a bit and won't just be about PHP-related topics. Proposals for sessions about things like project lifecycle, frameworks, and performance tuning will also be accepted. There will be five different tracks this year:

• Server/Operations
• Lifecycle Best Practices
• Frameworks
• Real World PHP
• PHP Development Topics

The Call for Papers ends May 31st, so get over and submit your proposal before time runs out!