PHP stands for Hypertext Preprocessor and it is a server-side scripting language. It is used to create dynamic websites and web applications. Some of the advantages of using PHP include:

It’s open-source and free to use, which makes it accessible to developers of all levels.
It’s easy to learn, even for developers with little or no programming experience.
It’s compatible with most operating systems and web servers.
It has a large and active community, which means that there are many resources and tutorials available to help you learn and troubleshoot.
Some popular websites that use PHP include Facebook, Wikipedia, and WordPress.

2. How do you define a variable in PHP?

In PHP, a variable is defined using the “$” symbol followed by the variable name. For example:

$variable_name = “value”;

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