I have just seen this short presentation given in during PHP North West by Anthony Ferrera about password hashing in PHP. It is worth to spend approximately 20 minutes to see it - I enjoyed it. Good work Anthony! And thanks for sharing it with us.
This book was released in 2009 and written by Samisa Abeysinghe. It is not heavy book to read. On 184 pages the author addresses problems, issues when developing application e.g. using PHP in development team - for example team made of 4 PHP developers.
If you are into developing web applications using PHP and you want to do this according to the best software engineering standards this is the book I highly recommend to read.
This book was released in 2010. Dirk Merkel, the author of this book, covers everything what you would need to know to start developing PHP apps following to commonly accepted standards.
What you can read on over 400 pages is: