Archive for posts tagged ‘php’

Minifi.de – Another URL shortening service

Minifi.de is a URL shortening service like tinyurl.com, bit.ly, and is.gd. You enter a long URL and it returns a shorter one.

Read more...

Broadway 2 + Lightbox: a Plogger theme

A dark Plogger theme that uses Lightbox 2.

Read more...

PHP pages return a 404 error on IIS

I was installing PHP 5 on an IIS 6 server when I ran into what turns out to be a pretty common problem. PHP appeared to be installed correctly, but browsing to any page with a .php extension returned a 404 Page Not Found error. While the steps below fixed this for me, I had [...]

Read more...

A PHP script for converting between different datetimes

This script converts a Unix timestamp (Seconds since the Unix Epoch (January 1 1970 00:00:00 GMT)) to the International Standard ISO 8601 date and time notation (YYYY-MM-DD hh:mm:ss) and vice versa. I find it useful for verifying datetimes. Date Time Convert

Read more...

Protecting a download using a unique URL

A PHP script to protect a download by generating a unique link. Each time you visit a page, a unique link is created that can be shared. The link will expire after a certain amount of time or number of uses. With some work, this could be integrated with your Paypal “thank you” page.

Read more...

A PHP script for testing a MySQL database connection

A simple web page that you can use for testing a MySQL database connection.

Read more...

Resolving transaction concurrency issues in a PHP+MySQL multi-user environment

Here’s how I’m implementing my solution to the lost update concurrency issue by comparing timestamps generated when a record is saved and accessed.

Read more...

How to Geolocate Visitors Using an IP-to-Country Database

In this post, I’ll illustrate how to use the IP-to-Country database available from http://ip-to-country.webhosting.info/ to identify the real-world geographic location of visitors to a web page (geolocate) based on their IP addresses. Once you know where a visitor is physically located, you can do all sorts of nifty things, such as send them location-aware content [...]

Read more...

Using timestamps to reduce WordPress comment spam

The method described in this post uses PHP to generate the timestamps. If your site is using a caching plugin, the timestamps will be stale, and this method will not work. I’m working on a new method using JavaScript for sites that use page caching. In this post, I’ll explain how to reduce the amount [...]

Read more...

A collection of PHP code snippets

This is a collection of php code snippets that seem to come in handy rather often. They are assembled here more for my own organization than anything else.

Read more...