Presentation PHP - Hypertext Preprocessor

Expressions & Control
Statements in PHP
Unit - I




Prepared By: Khan Mohammed Zaid, Lecturer, Comp. Engg.,
MHSSP

, 1.1 History & Advantages of PH

• PHP is a simple yet powerful scripting language designed for cr
HTML content.

• Originally derived from Personal Home Page tools, now stands f
PHP:Hypertext Preprocessor.

• PHP executes on the server, while a comparable alternative,
JavaScript, executes on the client.



Prepared By: Khan Mohammed Zaid, Lecturer, Comp. Engg.,
MHSSP

, 1.1 History & Advantages of PH

• PHP is an alternative to Microsoft’s Active Server Page (ASP).

• PHP script is embedded within a web page along with HTML.

• Before the page is sent to a user that has requested it, the W
server calls PHP to interpret and perform the operations called
the PHP script.




Prepared By: Khan Mohammed Zaid, Lecturer, Comp. Engg.,
MHSSP

, 1.1 History & Advantages of PH
• PHP can be used in 3 primary ways:
❑Server Side Scripting:
❑Command Line Scripting:
❑Client side GUI Applications:

• An HTML page that includes a PHP script is typically given a fil
suffix of “.php”, “.php7” or “.phtml”

• PHP scripts can only be interpreted on a server that has PHP
installed.



Prepared By: Khan Mohammed Zaid, Lecturer, Comp. Engg.,
MHSSP