Directories

Cetus Links: PHP
Offers well organized and easy accessible set of links to sites with PHP tutorials, examples, FAQs, newsgroups, references and forums.
http://www.cetus-links.org/oo_php.html

The Free PHP Hosting Directory
Free PHP and MySQL hosting resources with reviews and rates, links to related sites.
http://www.oinko.net/freephp/

Free PHP Resources
A listing of free PHP resources including tutorials, a free book and sample chapters, articles, IDEs, FAQs and forums.
http://freeprogrammingresources.com/freephp.html

Infoscripts - PHP
A PHP resource and scripts directory for programmers.
http://www.infoscripts.com/resource.asp?cat=45

PHP Resources
Resource directory including tutorials, scripts and applications and non-English sites.
http://www.php-resources.org/

Php.dinsol.com
Free PHP scripts, tutorials, articles, software, downloads, resources directory.
http://php.dinsol.com/

PHPexpo.com
PHP and CGI resource directory with help and discussion forums.
http://www.phpexpo.com/

Tecfa's Php Page
Documentation, tutorials, books, applications, examples links.
http://tecfa.unige.ch/guides/php/