AJAX Request Intro
Say we need to show some specific posts based on some real time input without refreshing our page. In this situation, we have to send an AJAX request to the server first and then it will return to us the array of posts as a .json data obj...
PHP Data Objects (PDO)
PHP Data Objects, also known as PDO, is an interface for accessing databases in PHP/aithout tying code to a specific database. Rather than directly calling mysql_, mysqli_, and pg_ functions, developers can use the PDO interface, simplifying the porting of applications to other databases.
The extension can support any database that a PDO driver has been written for. At the time of...