Working with PHP Sessions  PHP $_SESSION is basically variable
that stores temporary information about current user, for
example you are browsing a website, but the remote server
doesn’t really know who you are, only way to identify current
user assessing the site is using session, PHP $_SESSION allows
us to store information about the user, which can
be retrieved later from any page within the site, as long as the
session is active.  Resize Multiple Images in a Folder using PHP
Sometimes we need to resize multiple images in a folder, using
PHP script we can achieve just that. Just point to folder where
your images are located and execute following PHP script to
resize your images.  Paypal Instant Payment Notification (IPN)
This is continuation of the previous post how to setup Paypal
Express Checkout in your website. You do not necessarily need to
setup Paypal Instant Payment Notification (IPN), but if want to
automate tasks and keep track of customer actions back in their
PayPal account, you should create