The first place every PHP programmer should be familiar with is PHP's official home page, found at www.php.net (Figure C.1). The most important pages there display the PHP Manual (www.php.net/manual/en) with user-submitted feedback on specific topics.
Figure C.1. By now you are most certainly familiar with the PHP home page, the first stop for all of your PHP needs.
A close second in utility to www.php.net is Zend's Web page, www.zend.com (Figure C.2). The PHP Manual can also be found there along with a code repository, tutorials, articles, PHP-specific software (see Chapter 12, Extending PHP, for two examples), and many other ...