For reference, the PHP site's online manual is good and has user
feedback and errata.  For hardcopies... Tough call.  Core does a good
reference book.  The intro books are usually *really* introductory in
nature (like a PHB's intro to PHP programming).

Trent Shipley wrote:
> Does anyone have favorite PHP books?
> Introductory?
> Reference?
> =====================
> Trent Shipley