Day 1 PHP Introduction Geshan Manandhar Developer, Young Innovations Pvt. Limited www.geshanmanandhar.com

What is PHP PHP, which stands for “PHP: Hypertext Preprocessor”. PHP is a widely-used Open Source general-purpose scripting language. It is especially suited for Web development and can be embedded into HTML. It was originally created by Rasmus Lerdorf in 1995.

PHP, which stands for “PHP: Hypertext Preprocessor”.

PHP is a widely-used Open Source general-purpose scripting language.

It is especially suited for Web development and can be embedded into HTML.

It was originally created by Rasmus Lerdorf in 1995.

More About PHP PHP is free software released under the PHP License. PHP typically runs on a web server that takes PHP as input and gives out HTML pages as output. PHP is installed on more than 20 million websites and 1 million web servers. PHP has a syntax similar to C and Java. The current version of PHP is 5.2.x.

PHP is free software released under the PHP License.

PHP typically runs on a web server that takes PHP as input and gives out HTML pages as output.

PHP is installed on more than 20 million websites and 1 million web servers.

PHP has a syntax similar to C and Java.

The current version of PHP is 5.2.x.

Features of PHP It is Free and Open source. Easy to learn but hard to master. Connects with 20+ databases. Version 5+ supports OOP. Multi-platform compatible.

It is Free and Open source.

Easy to learn but hard to master.

Connects with 20+ databases.

Version 5+ supports OOP.

Multi-platform compatible.

The LAMP Stack Apache is the web server. MYSQL is the database server. PHP is the backend coding language.

Apache is the web server.

MYSQL is the database server.

PHP is the backend coding language.

PHP Trend

What will you learn

Software required to run PHP on Windows XAMPP X- for all platforms (windows, linux…) A- Apache web server M- MYSQL with PHPMyAdmin P- PHP P- Perl That’s all you need you must have good IDE to code.

XAMPP

X- for all platforms (windows, linux…)

A- Apache web server

M- MYSQL with PHPMyAdmin

P- PHP

P- Perl

That’s all you need you must have good IDE to code.

IDEs for PHP development IDE – Integrated Development Environment Adobe Dreameweaver Notepad++ Zend Development Studio PHP Eclipse

IDE – Integrated Development Environment

Adobe Dreameweaver

Notepad++

Zend Development Studio

PHP Eclipse

Ways to code your PHP website or web Application Source: http://geshan.blogspot.com

Basic PHP Program Hello world X:xampphtdocsmy_folderfirst_prog.php <?php //starting delimeter echo “Hello world”; //print hello world ?> Add some complication: <?php $message = “Hello world”; print $message; ?>

Hello world

X:xampphtdocsmy_folderfirst_prog.php

Delimiter, tags and comments <?php //php code ?> - long tag <? ?> - short tag <% %> - ASP style not preferred <script language=&quot;php&quot;> //php tag </script> - uncommon <?= ?> - shortcut for echo //line comment /* block comment */

<?php //php code ?> - long tag

<? ?> - short tag

<% %> - ASP style not preferred

<script language=&quot;php&quot;> //php tag </script> - uncommon

<?= ?> - shortcut for echo

//line comment

/* block comment */

PHP Data Types Boolean Integer Float String Array Objects

Boolean

Integer

Float

String

Array

Objects

Another simple program Simple price calculation <?php $qty = 5; $price = 10000; $amt = $qty*$price; echo “Rs. “.number_format($amt, 2); ?>

Simple price calculation

<?php

$qty = 5;

$price = 10000;

$amt = $qty*$price;

echo “Rs. “.number_format($amt, 2);

?>

Lets Install XAMPP Lets install XAMPP and run 2 programs Ask questions.

Lets install XAMPP and run 2 programs

Ask questions.