Snoopy

Snoopy is a PHP class that simulates a web browser. It automates the task of retrieving web page content and posting forms, for example. Some of Snoopy's features include: easily fetch the contents of a web page, easily fetch the text from a web page (strip html tags), easily fetch the the links from a web page, supports proxy hosts, supports basic user/pass authentication, supports setting user_agent, referer, cookies and header content, supports browser redirects, and controlled depth of redirects, expands fetched links to fully qualified URLs (default), and easily submit form data and retrieve the results.