PHP (Server-Side Scripting language)
PHP language stands for “PHP: Hypertext Preprocessor” 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 usable for almost every server like
- Apache
- IIS etc.
- It also supports the various type 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
|
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<!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 |