Don't doubt what can be done, learned in short 10 minutes. Actually, Sams Teach Yourself's In 10 Minutes series of books had proved this point. In 10 minutes, we can master a lot of practical technologies.
PHP 5 Power Programming is a classic must-read authoritative book with 720 pages of content published in 2004, cooperatively written by 3 PHP masters (PHP 5's chief designer - Andi Gutmans, PEAR's founder - Stig Saether Bakken and PHP's core contributor - Derick Rethans). Now its full copyright has been completely free.