Create CAPTCHA Protection using PHP and AJAX

CAPTCHA is a simple test to determine if a user is a computer or a human. It is used to prevent spam abuse on the websites. So if you use C...

Encrypt Passwords in the Database

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

Blocking access to the login page after three unsuccessful login attempts

Sometimes you need to add an extra protection to password-protected website. This article explains how access to the login page can be rest...

DSN and DSN-less connections

DSN stands for 'Data Source Name'. It is an easy way to assign useful and easily rememberable names to data sources which may not b...

Connect to MS SQL Server database

Below is the code for connecting to a MSSQL Server database.

Creating New Directories

Creating new directories in PHP is accomplished using the mkdir() function, which takes two parameters. These parameters are, in order, a d...

Deleting the Directory and Its Contents

PHP has the rmdir( ) function that takes a directory name as its only parameter and will remove the specified directory from the file syste...