What is PHP?

PHP stands for (recursive acronym for PHP: Hypertext Preprocessor.) is a scripting language.
PHP code is executed on the web server and can be embedded into HTML.

What is a PHP File?

PHP A file with the .php file extension is a plain-text file that contains the source code written in the PHP (it’s a recursive acronym meaning PHP: Hypertext Preprocessor) programming language. PHP is often used to develop web applications that are processed by a PHP engine on the web server.

What Can PHP Do?

PHP Many tasks can be done through PHP
For example
collect form data
record add, delete, modify in your database
member log in and registration
create, open, read, write, delete, and close files on the server
display the results of poll