The php|tek conference has announced their schedule for their 2013 even happening in May:

We have a big announcement this year. Because we had over 400 amazing talks submitted to us, and we just couldn’t bear to decline that many of them. We are expanding the tek13 conference format to include 4 concurrent tracks this year!

Sessions at this year's event include:

• "Zend Framework 2 Tutorial" - Rob Allen
• "Git Makes Me Angry Inside" - Emma Jane Hogbin
• "PHP and Node.js Together" - Chris Tankersley
• "Performance Perpetrators: Profiling for Professionals" - Derick Rethans
• "Database Version Control without Pain?" - Harrie Verveer
• "Building Testable Applications" - Chris Hartjes

Their Early Bird pricing for this year ends at the end of this month, so if you want the discounted price, be sure to register early!