PHP is a fully developed, server-side embedded scripting language,and its importance for web application development has grown withthe rise of the Apache web server. Are you a novice programmer?This book starts with the basics and takes you wherever you want togo. A seasoned pro? You’ll be amazed at how much you cancapitalize on PHP’s power and object-oriented support, andhow it leverages your knowledge of other languages. Finally, ifyou’re a PHP user in search of an authoritative reference,you need look no further. Mastering PHP 4.1 guides youthrough all levels of real-world web programming problems andprovides expert advice on which solutions work best.
Reading and writing files
Validating data with regular expressions
Accessing MySQL and PostgreSQL databases
Accessing LDAP servers
Generating images and PDF documents on the fly
Building authentication and access-control systems
Sending e-mail and building web-to-e-mail interfaces