A related items block looks at the current content of the page and tries to present the user with a list of items that relate to the current content. Creating a related items block is quite easy, and is a good way of introducing the search module api without having to get to involved in the search module.

The title tag on the Blog module index page (found at /blog after the module is installed) is by default "Blogs | Sitename", which isn't editable in the backend of Drupal. I've been talking to other Drupal developers and reading forums about the best way to go about changing the title of the blog index page. Ideas ranged from editing or duplicating the blog module (which is bad practice) to installing the String Overrides to provide a quick translation of the string in the title.

Last time we had reached the stage where we had PDF meta data and the extracted contents of PDF documents ready to be fed into our search indexing classes so that we can search them.

The first thing that is needed is a couple of configuration options to be set up. This will control where our Lucene index and the PDF files to be indexed will be kept. Add the following options to your configuration files (called application.ini if you used Zend Tool to create your applcation).

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luceneIndex = \path\to\lucene\index
filesDirectory = \path\to\pdf\files\

Zend_Lucene is an implementation of the Lucene search engine in PHP5 and is included as part of the Zend Framework from version 1.6. Lucene implements all of the standard search engine query syntaxes (eg. boolean and wildcard searches) and stores its index as files so it doesn't need a database server to run. Lucene can be used if you want to add search functionality to a site but don't want to go down the route of building a querying syntax from scratch.