- Getting and Using Meta Tags for Search Criteria
PHP has a built-in function to easily fetch meta tags from php or html pages called the get_meta_tags function. It will take all the meta tags and build associative arrays with the name of the associative array being themeta name and value of the associative array being the contents of the meta tag. This tutorial shows how to fetch all the meta tags for a given page and print them to the browser. Then, it can be used to build a search engine that compares the contents of the meta variable to the search_criteria and displays the matching link.
Price: Free
http://www.php-scripts.com/php_diary/010600.php3
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- Quick and Dirty Search Engine with PHP and MySQL
For your site search engine, you may use the open source C\+\+ program, ht://dig to index and search your html pages. But if you have very few html pages, and most of your "content" resides in BLOBs in your database, you can do anything useful using a like %searchword% query, which will result irrelevant. This tutorial provides a solution to this by using a technique called Noise Reduction.
Price: Free
http://www.devshed.com/Server_Side/PHP/Search_Engine/
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- Search This!
This tutorial shows you how to add search capabilities to your site using PHP3 and ht://Dig. This tutorial will cover the following steps needed to get these two great Open Source applications working together: Installing ht://Dig, Configuring ht://Dig, Indexing the Site, Building the Search Page, Performing the Search, and Parsing and Displaying the Results.
Price: Free
http://www.devshed.com/Server_Side/PHP/Search_This/
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- Searching a Directory of Files
This tutorial shows you how to dynamically compile the list of files in a given directory. You can then conduct keyword searches on the compiled list for finding matching files.
Price: Free
http://www.php-scripts.com/php_diary/010700.php3
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- Searching External or Internal Webpages
This tutorial explains how to conduct keyword searches on a given Webpage. It basically shows how to count and display the number of times a specific keyword appears on the Webpage.
Price: Free
http://www.php-scripts.com/php_diary/010500.php3
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- Slapping together a search engine
ht://dig will take care of indexing and searching your html pages, but if you have very few html pages, and must of your "content" resides in BLOBs in your database. You can do anything useful using a like searchword query, it just isn coming back relevant. Here, you will find a way to get around this problem.
Price: Free
http://www.phpbuilder.com/columns/clay19990421.php3
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