July 2008
PHP Countires, States, Provinces and Territories Array
A couple of projects ago I needed the ability to have international users. I looked for some php functions that would make the task of registering users a little easier. I found some html lists and turned them into php functions that return arrays
Calculating Distance in Miles from Latitude and Longitude
Finding good examples for Calculating Distance in Miles from Latitude and Longitude Using Mysql and PHP wasn’t as easy as I thought it would be. I thought I would compile the working quires and the functions that I wrote/found.
I found a very good paper on the topic at Scribd. I used one the the examples from this paper.
php session drop cookie fix for Internet Expoler
I was updating some code on dirtondirt.com. We had changed the way sessions/logins where used on the site. Everything worked great in Firefox. But we were getting complaints that it was randomly dropping logged in users using IE . I was was not able to recreate the issue so it was very hard to troubleshoot. I believe that this method hacks around IE 4k size on disk issue (if the cookie is larger than 4k then IE has a tendency to drop it).After a couple hours of research I found these solutions.