OLX.in is your solution if you are looking for selling electronics, DVDs, mobile phones, video games and many more. The platform sorts products by category, by cities, by states and by most popular to increase functionality.

With millions of registered users worldwide, twitter is one of the most used social networking website on the internet, we cannot overlook its importance, it can really boost registrations rate in your site. In this tutorial, we will be using Twitter API to register users on your website.

Sometimes we need to calculate the percentage of certain value in our project. In that circumstances you can use following PHP snippet to do that task.echo get_percentage(10, 100); //usage function get_percentage($percentage, $of) { //courtesy : http://stackoverflow.com/a/14880194 $percent = $percentage / $of; return number_format( $percent * 100, 2 ) . '%';; }

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.