Solutions, better

zend zend+framework php php5 framework mvc php+framework
Zend announced availability of the first production release of Zend Framework.
The Zend Framework project has developed solutions to solve frequent needs of web application developers, including the following areas:

Powerful MVC framework
Database access solution that balances ORM with efficiency and simplicity
Lucene-compatible search engine
Advanced I18N support
Robust authentication/authorization classes and input [...]

php search+engine crawler indexer There’s a new article @ O’Reilly OnLamp.com — “search engine showdown” — that compares search engines for site. Here’s short excerpt to get the general idea of what they are all about:
iSearch has an excellent range of options for the needs of nearly any site, yet the core functions are encrypted [...]