The source code for a function that will calculate a specified URL's Google PageRank is provided. Also included: some background info on PageRank and an example of the function's use.

100% fool-proof (as far as I can tell). Prevent hotlinking to files not supported by .htaccess. For instance, I use this method to prevent people from linking to *.SWF files stored on my server.

Tutorial and sample codes to calculate the distance between two locations. Free sample source codes in PHP, ASP, ColdFusion, C/C++, C#, Java, Perl, Visual Basic and Javascript. Longitude and latitude for United States ZIP Code and Canadian Postal Code are available in database subscription.

Friendly URL's are a very important thing to have when developing a dymanic content site that uses long query strings. A query string is something similiar to a URL like you'll see on Ebay, Google and other big sites. If you're running a small to medium size website and you want to make your URL's a little easier to find you can do so via Apache's mod_rewrite by following this tutorial.

A php tutorial that shows how to use while cycle to convert a number into roman numbers.

Listing of more then 100 Articles on Php Including tips,tricks,how like 1.Apache, MySQL & PHP for Windows 2.Creating Dynamic Website Content with PHP - MySQL 3.PHP Server to Client with No Refresh. 4.Some PHP functions you must know 5.PHP & Dynamic Content

This routine calculates the distance between two points. It is being used to calculate the distance between two locations using GeoDataSource Products

A printable PDF PCRE regular expressions cheat sheet. Featuring: functions and their arguments, base character classes, meta characters, quantifiers, pattern modifiers, point based assertions and subpattern modifiers and assertions.

This tutorial will show you how to load a flat file and parse text to highlight or even censor out a word in PHP.

Learn how to execute your PHP scripts using CRON by set time intervals that you choose. Very valuable for running routine tasks that were written into a PHP Script.