WEB TECH PHP

PHP – Hypertext Preprocessor
Presentation By: Sonal Dhomne
Guided By: Miss Anjali Goswami
1
4.CHARACTERISTICS
6.PRIMITIVES
2.HISTORY
1.INTRODUCTION
3.USES
5.SYNTAX
2
Introduction
•
PHP is a acronym for "PHP: Hypertext
Preprocessor".
•
PHP is a server side scripting language that is
embedded in HTML used for web development.
•
PHP Syntax is C-Like.
•
It can be seamlessly integrated with various
databases and frameworks.
History
•
PHP was created by Rasmus Lerdorf in 1994
(tracking visitors).
•
It was initially known as “Personal Home Page
Tools”.
•
Drew inspiration from Perl , C and other
programming languages
Uses
•
PHP can generate dynamic page content
•
PHP can create, open, read, write, delete, and close files on
the server
•
PHP can collect form data
•
PHP can send and receive cookies
•
PHP can add, delete, modify data in your database
•
PHP can be used to control user-access
•
PHP can encrypt data
Characteristics
• Simplicity : Easy syntax and structure , easy to learn.
• Efficiency : Good execution speed, process large amounts of data
• Security: has built in security features.
• Flexibility : used for server-side scripting, command-line scripting, building
desktop applications, game development.
• Familiarity : open-source contribution has made php familiar and wellsupported.
General Syntax
Tags and Input:
Conditional Statements:
Functions:
Loops:
Include Ext. files:
Tags and Input:
Tags and Input:
Variable Declaration:
Integer
PRIMITIVES
Primitive data types refers to the
type of data that can be held in a
variable or constant. They are
called primitive because the data
type is fundamental to the
language and cannot be broken
down any further.
<?php
$x = 10;
var_dump($x);
?>
Boolean
<?php
$x = true;
var_dump($x);
?>
Null
<?php
$x = "hello";
$x=null;
var_dump($x);
?>
Float
<?php
$x = 10.365;
var_dump($x);
?>
String
<?php
$x = "hello";
var_dump($x);
?>
THANK YOU
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