Resources: Wikipedia has a good article on design patterns. The C2 Wiki is another good place to look for information about design patterns like observer , singleton , and more. The original Design Patterns book is a must-read for any engineer. O'Reilly's Head First Design Patterns is a lighter-weight way to get into design patterns. The book PHP Hacks has several hacks for design patterns that extend beyond the examples shown here. See the developerWorks article " Five more PHP design patterns " to learn about five additional design patterns that you
links, problems, solutions, discoveries, ideas, tags