01 Php Introduction

01 Php Introduction

• 1.
  Day 1 PHPIntroduction Geshan Manandhar Developer, Young Innovations Pvt. Limited www.geshanmanandhar.com
• 2.
  What is PHPPHP, 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.
• 3.
  More About PHPPHP 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.
• 4.
  Features of PHPIt is Free and Open source. Easy to learn but hard to master. Connects with 20+ databases. Version 5+ supports OOP. Multi-platform compatible.
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  The LAMP StackApache is the web server. MYSQL is the database server. PHP is the backend coding language.
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  PHP Trend
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  What will youlearn
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  Software required torun 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.
• 9.
  IDEs for PHPdevelopment IDE – Integrated Development Environment Adobe Dreameweaver Notepad++ Zend Development Studio PHP Eclipse
• 10.
  Ways to codeyour PHP website or web Application Source: http://geshan.blogspot.com
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  Basic PHP ProgramHello world X:\xampp\htdocs\my_folder\first_prog.php <?php //starting delimeter echo “Hello world”; //print hello world ?> Add some complication: <?php $message = “Hello world”; print $message; ?>
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  Delimiter, tags andcomments <?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 */
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  PHP Data TypesBoolean Integer Float String Array Objects
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  Another simple programSimple price calculation <?php $qty = 5; $price = 10000; $amt = $qty*$price; echo “Rs. “.number_format($amt, 2); ?>
• 15.
  Lets Install XAMPP Lets install XAMPP and run 2 programs Ask questions.