PHP, which is also used as a general-purpose programming language, is basically a server-side scripting language, which is designed for web development. With a PHP processor module, PHP code is interpreted by a web server resulting in the generation of a web page.
Rather than calling an external file to process data, PHP commands can be embedded directly into the HTML code. It can be used for standalone graphical applications and can be deployed on most of the web servers for almost every operating system and platform.
All variables in PHP are case-sensitive, but user-defined functions, classes, and keywords such as if, else, while, echo, and many more are case-insensitive.
On the server, first a PHP script is executed and then the HTML result is sent back to the browser.
Through an HTML form, the ability of PHP to easily manipulate the information submitted by the user is one of the reasons why it is popular.
To use PHP, we have to perform the following steps:
Get a web server that supports...