PHP used most in

Web development.

The internal PHP web server

PHP has Built-in web server.

PHP Launcher

The Python launcher is a feature which track all Python version installed in machine and handle to execute program of different Python versions.

how to check PHP installed or not

From the command-line type

C:\Users\manoj>py

Python 3.10.1 (tags/v3.10.1:2cd268a, Dec 6 2021, 19:10:37) [MSC v.1929 64 bit (AMD64)] on win32 Type "help", "copyright", "credits" or "license" for more information. >>>

You should find that the latest version of Python you have installed

If multiple versions of Python installed try with specific version

C:\Users\manoj>py -2.7

Requested Python version (2.9) is not installed

If you see the following error, you do not have the launcher installed:

'py' is not recognized as an internal or external command, operable program or batch file.

key benefit: a single launcher can support multiple Python versions at the same time.

how to check pip installed or not

From the command-line type

C:\Users\manoj>pip --verion

C:\Users\manoj>pip --version pip 21.2.4 from C:\Users\manoj\AppData\Local\Programs\Python\Python310\lib\site-packages\pip (python 3.10)