PHP programming

PHP and MySQL are one of the most used technologies on the web today. By using about 7 different script files we can add, update, and delete rows from a MySQL table.

Operators in PHP, and any other prgramming language for that matter, enable us to perfrom tasks on variables and values such as assign, multiply, add, subtract and concatenate them. Operators take the form of symbols (such as + and -) and combinations of symbols (such as ++ and +=).

There might be many cases where different output would want to be displayed differently depending on where someone is accessing a web page from. A HTTP referer “identifies, from the point of view of an internet webpage or resource, the address of the webpage, of the resource which links to it”.

This tutorial describes the process in creating a simple captcha image.

SMS (also known as text-messaging) has grown into a very popular method of communication. It has been around in Europe and Asia since the early nineties and its use is steadily increasing in the US as well.

This tutorial will show You how to generate google sitemaps based on Your site MySQL structure. I hope this tutorial will save up some time. First we have to make our map skeleton with some needed stuff (for example database connection)

This tutorial focuses on a thumbnail generation script I wrote for the Accidental President site. Rather than generating a smaller representation of the image, it cuts out a section of the photograph to create an obscure snapshot of the photo itself. The thumbnail's size is variable also, so the script be used across different sites to create different sized thumbnails where needed.

Learn how to create a simple scraper / spider to grab content from yellowpages.com

This tutorial explains how to create database driven (dynamic) website with Dreamweaver CS3, PHP and MySQL.

Learn how to add and play around with cookies.

PHP5 Error message that is caused by attempting to assign a value to an array element of a variable that is declared as a string.

This tutorial will show you how to write to a MySQL database using simple PHP code.

If you are developing a password-protected web site, you have to make a decision about how to store user password information securely.

Constants just as variables are used to store information. The main difference between constants and variables is that constant value can not be changed in the process of running program.

As a website becomes more sophisticated, so must the code that backs it. When you get to a stage where your website need to pass along user data from one page to another, it might be time to start thinking about using PHP sessions.