The document discusses lessons learned from PHP development over the past 5 years. It covers topics such as the death of PHP 4, patterns, frameworks, choosing the right tools, automatic testing, responsibility, and the importance of teaching and learning from others. The author is a PHP developer and member of several PHP user groups.

1. Lessons learned in PHP during last 5 years Massimiliano Arione March, 29th 2011

3. PHP 4 IS DEAD

4. PATTERNS

5. FRAMEWORKS

6. THE RIGHT TOOL

7. AUTOMATIC TESTING

8. RESPONSIBILITY

9. TEACH & LEARN

10. Thanks! Massimiliano Arione @ garakkio blog.garak.it