This appeared in one of my PHP files

1. What is the PHP in file?
2. What does $_ files means?
3. How do I view PHP files?
4. How do I view PHP files in my browser?

What is the PHP in file?

So what exactly is a PHP file? Generally speaking, a PHP file is a plain-text file which contains code written in the PHP programming language. Since PHP is a server-side (back-end) scripting language, the code written in the PHP file is executed on the server.

What does $_ files means?

$_FILES is a super global variable which can be used to upload files. Here we will see an example in which our php script checks if the form to upload the file is being submitted and generates a message if true.

How do I view PHP files?

A PHP file is a plain text file, so you can open it in any text editor like VI, Notepad, or Sublime Text. For beginners, tools like Notepad++ should do, since they'll just be running small snippets of code.

How do I view PHP files in my browser?

Example: The file “demo.php” file is placed inside the “htdocs” folder. If you want to run it, open any web browser and enter “localhost/demo.php” and press enter.