• The PHP 3.0 FAQ is your first stop for general information and those questions that seem to be on most people's minds.
• Read what has changed since PHP/FI 2.0
• PHP Manual Online. Your reference to everything that's great about PHP.
• Plain HTML PHP Manual Online. The very same manual in a light-weight, HTML 3.2 version without any bells or whistles.
• PHP Annotated Manual. This is the same as the above, except there is a built-in errata/note system that users all around the world can (and have!) contributed to.
• Books on PHP. Here you can find a great selection of books on PHP and related themes.
• PHP Manual Errata. This is the collected errata from the on-line errata/note system.
• . Function Reference I (Adabas) - XXVI (LDAP).
• . Function Reference XXVII (Mail) - LV (XML).
• Japanese translation of the PHP manual
• French translation of the PHP manual
• PHP/FI 2.0 Manual. This includes discussions on a few topics that aren't covered in the PHP 3 manual yet.
• This is a third-party conversion of the PHP manual to indexed PDF format. (This is completely unsupported, and lags behind the other formats of the documentation available here.)
• Getting a CVS account. If you wish to help out with the development of PHP, read this.