php stands for code example

Example 1: php

echo "Hello World";

Example 2: php

<?php 
echo "Hello, World!"; 
?>

Example 3: PHP full form

PHP is an acronym for "PHP: Hypertext Preprocessor" PHP is a widely-used, open source scripting language. PHP scripts are executed on the server.

Example 4: what is php?

PHP stands for Hypertext Preprocessor. 
It is an open source server-side scripting language which is widely used for web development.
It supports many databases like MySQL, Oracle, Sybase, Solid, PostgreSQL, generic ODBC etc.

Example 5: what is PHP

PHP is a general-purpose scripting language especially suited to web development. It was originally created by Danish-Canadian programmer Rasmus Lerdorf in 1994; the PHP reference implementation is now produced by The PHP Group
Implementation language: C (primarily; some components C++)
Stable release: 7.4.11 / October 1, 2020; 5 days ago
Preview release: 8.0.0 Release Candidate 1 / October 1, 2020; 5 days ago
Typing discipline: Dynamic, weak since version 7.0: Gradual
Designed by: Rasmus Lerdorf
Developer: The PHP Development Team, Zend Technologies