Edit, delete, add and modify your data. PHP DevCenter - O'Reilly Network's source for PHP developer news and information. PEAR contains code for common tasks such as database abstraction and error control. Some PHP conference slide shows, presented at various meetings by PHP professionals. Faqts - A repository of PHP related frequently asked questions.
People submit questions and others answer, all duties are very open and public to all.
In short, this is an open PHP Knowledge Base. Both online and hard-copy versions are available. PHP Tutorials at LinuxGuruz - Features tutorials and tips about installing PHP on Linux and PHP coding tricks. Hidden within this archive are answers to just about every PHP question that comes up. MARC archives many related lists too.