PHP language stands for “PHP: Hypertext Pre-processor”
The most widely-used, open-source, and script language. All PHP scripts are executed on the server.
It can be run on different platforms like:
- Windows
- Linux
- Unix
- Mac OS X etc.
It is used for almost every server like
Apache
It also supports various types of databases.
PHP Syntax
PHP script starts with
<?php
Code written here…
?>
The extension for PHP files is “.php”. Normally a PHP FILE contains HTML tags, and some PHP scripting code. Below, there is an example of a code, with a PHP script that uses a built-in PHP function “echo” for print out the text “Script Language” on a web page:
Example
<!DOCTYPE html>
<html>
<body>
<h2>PHP Page</h2>
<?php
echo "Script Language";
?>
</body>
</html>
Output
PHP Page
Script Language
Code | Comments |
<html> | Starting with HTML tags |
<h2></h2> | Head (heading 2)opening and closing of head |
<?php | Starting php |
echo | Built in function to print the text |
?> | Closing of php |
Pre-requisites to PHP
Before you start your learning with PHP, you must have a little basic understanding of HTML, CSS, and JavaScript.