Presentation to
Siltek Software Solutions (I) Pvt. Ltd.
What is it?
 PHP is a scripting language commonly used on web
servers.
 Stands for “PHP: Hypertext Preprocessor”
 Open ...
More About PHP
 PHP is free software released under the PHP License.
 PHP typically runs on a web server that takes PHP ...
What can it do?
 Dynamic generation of web-page content
 Database interaction
 Processing of user supplied data
 Email...
Brief History of PHP
 PHP (PHP: Hypertext Preprocessor) was created by Rasmus Lerdorf in
1994. It was initially developed...
Brief History of PHP
 PHP 4 (2000) became an independent component of the web server for
added efficiency. The parser was...
Fundamentals
 PHP is embedded within xhtml pages within the tags:
<?php … ?>
 The short version of these tags can also b...
Hello World!
<html>
<head>
<title>PHP Test</title>
</head>
<body>
<?php echo ‘<p>Hello World!</p>’; ?>
</body>
</html>
Features of PHP
 Performance
 Relatively fast for an interpreted language.
 Database Connectivity
 Support for MySQL, ...
Features of PHP
 Existing Libraries
 PHP was originally designed for web use – lots of
functions for common web-developm...
Features of PHP
 Object-Oriented Programming
 Similar syntax and features as C++ and Java –
inheritance, attribute visib...
PHP Usage
 Server-Side Scripting Language
 Must have a web server and the PHP interpreter
installed.
 PHP interpreter p...
PHP Usage
Accessing MySQL Using PHP
About MySQL
 GNU Free, open-source, multi-platform
 Implements the standard SQL language
 Relational DBMS
 Written in ...
Building On MySQL
 What languages can we use for building an application on
MySQL?
 ODBC Connector
 JDBC Connector
 .N...
Uses of PHP and MySQL
 Anything in a MySQL database can be viewed on a
webpage
 Any information which can be captured fr...
Connecting to MySQL from PHP
/* Connection */
$username = ‘user’; // username
$password = ’password'; // password
$webhost...
MySQL is Built Into PHP
 There are function calls to connect to a MySQL
server, send SQL commands, and retrieve data from...
Application Structure
Lets Install
XAMPP – What’s the tool?
XAMPP (pronounced as ZAMP) is a small and light Apache
distribution containing the most common w...
Features of XAMPP
• Ideal tool for developing and testing applications in PHP &
MySQL.
• Takes less time than installing e...
How to install ?
 Go to http://www.apachefriends.org/en/xampp.html
 Versions available for Linux, Windows, Solaris, Mac ...
Steps for Installation
 http://wiki.fiforms.org/index.php/Installing_XAMPP
Types of XAMPP
 WAMP - Windows
 MAMP – Mac OS X
 SAMP - Solaris
 LAMP - LINUX
XAMPP Configuration
Starting :
• To start XAMPP simply call this command :
• You should now see something like this on you...
XAMPP Configuration
Stopping :
• To stop XAMPP simply call this command :
• You should now see something like this on your...
Recommended Texts for Learning PHP
 Larry Ullman’s books from the Visual Quickpro series
 PHP & MySQL for Dummies
 Begi...
Resources
 Apache
 Website: http://httpd.apache.org/
 Documentation: http://httpd.apache.org/docs/2.2/
 PHP
 Website:...
Resources
 Xampp
 Combines an Apache web server, PHP, and MySQL into
one simple installation service.
 Very little conf...
Introduction to php
Introduction to php
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Introduction to php

  1. 1. Presentation to Siltek Software Solutions (I) Pvt. Ltd.
  2. 2. What is it?  PHP is a scripting language commonly used on web servers.  Stands for “PHP: Hypertext Preprocessor”  Open source  Embedded code  Comparable with ASP  Multiple operating systems/web servers
  3. 3. 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.
  4. 4. What can it do?  Dynamic generation of web-page content  Database interaction  Processing of user supplied data  Email  File handling  Text processing  Network interaction  And more…
  5. 5. Brief History of PHP  PHP (PHP: Hypertext Preprocessor) was created by Rasmus Lerdorf in 1994. It was initially developed for HTTP usage logging and server-side form generation in Unix.  PHP 2 (1995) transformed the language into a Server-side embedded scripting language. Added database support, file uploads, variables, arrays, recursive functions, conditionals, iteration, regular expressions, etc.  PHP 3 (1998) added support for ODBC data sources, multiple platform support, email protocols (SNMP,IMAP), and new parser written by Zeev Suraski and Andi Gutmans .
  6. 6. Brief History of PHP  PHP 4 (2000) became an independent component of the web server for added efficiency. The parser was renamed the Zend Engine. Many security features were added.  PHP 5 (2004) adds Zend Engine II with object oriented programming, robust XML support using the libxml2 library, SOAP extension for interoperability with Web Services, SQLite has been bundled with PHP  As of August 2004, PHP is used on 16,946,328 Domains, 1,348,793 IP Addresses http://www.php.net/usage.php This is roughly 32% of all domains on the web.
  7. 7. Fundamentals  PHP is embedded within xhtml pages within the tags: <?php … ?>  The short version of these tags can also be used: <? … ?>  Each line of PHP is terminated, like MySQL, with a semi-colon.
  8. 8. Hello World! <html> <head> <title>PHP Test</title> </head> <body> <?php echo ‘<p>Hello World!</p>’; ?> </body> </html>
  9. 9. Features of PHP  Performance  Relatively fast for an interpreted language.  Database Connectivity  Support for MySQL, Oracle, dbm, DB2, PostgreSQL  Can connect to any database which provides an ODBC driver (Open Database Connectivity Standard) – e.g. MS Access.
  10. 10. Features of PHP  Existing Libraries  PHP was originally designed for web use – lots of functions for common web-development tasks (e.g. Sending email, XML parsing, etc.)  Portability  Supported on Windows, Mac OS X, other Unix-like systems (e.g. Linux).
  11. 11. Features of PHP  Object-Oriented Programming  Similar syntax and features as C++ and Java – inheritance, attribute visibility (private, protected), abstract classes/methods, constructors and destructors, etc.  Popularity  As a result, lots of documentation, books, and web tutorials.
  12. 12. PHP Usage  Server-Side Scripting Language  Must have a web server and the PHP interpreter installed.  PHP interpreter processes pages before they are served to clients.
  13. 13. PHP Usage
  14. 14. Accessing MySQL Using PHP
  15. 15. About MySQL  GNU Free, open-source, multi-platform  Implements the standard SQL language  Relational DBMS  Written in C and C++  Uses MyISAM B-tree disk tables  Uses in-memory hash tables for temporary tables
  16. 16. Building On MySQL  What languages can we use for building an application on MySQL?  ODBC Connector  JDBC Connector  .NET Connector  Web scripting languages  PHP, ASP, JSP
  17. 17. Uses of PHP and MySQL  Anything in a MySQL database can be viewed on a webpage  Any information which can be captured from a website can be stored into a database
  18. 18. Connecting to MySQL from PHP /* Connection */ $username = ‘user’; // username $password = ’password'; // password $webhost = 'localhost'; // host (localhost or something on a web server) $db = ’test'; // the database $dbc = mysql_connect($webhost, $username, $password) or die("<p>Could not connect: <i>" . mysql_error()); @mysql_select_db($db) or die("<p>Could not find database - $db - <i>" . mysql_error() . "</i>");
  19. 19. MySQL is Built Into PHP  There are function calls to connect to a MySQL server, send SQL commands, and retrieve data from the server
  20. 20. Application Structure
  21. 21. Lets Install
  22. 22. XAMPP – What’s the tool? XAMPP (pronounced as ZAMP) is a small and light Apache distribution containing the most common web development technologies in a single package. Acronym for: X- Read as "cross", meaning cross-platform) A-Apache HTTP Server M-MySQL P-PHP P-Perl
  23. 23. Features of XAMPP • Ideal tool for developing and testing applications in PHP & MySQL. • Takes less time than installing each of its components separately. • Multiple instances of XAMPP can exist on a single computer. • Allow website designers and programmers to test their work on their own computers without any access to the Internet • XAMPP also provides support for creating and manipulating databases in MySQL and SQLite among others.
  24. 24. How to install ?  Go to http://www.apachefriends.org/en/xampp.html  Versions available for Linux, Windows, Solaris, Mac OS X
  25. 25. Steps for Installation  http://wiki.fiforms.org/index.php/Installing_XAMPP
  26. 26. Types of XAMPP  WAMP - Windows  MAMP – Mac OS X  SAMP - Solaris  LAMP - LINUX
  27. 27. XAMPP Configuration Starting : • To start XAMPP simply call this command : • You should now see something like this on your screen : • If you get any error messages please take a look at the Linux FAQ. /opt/lampp/lampp start Starting XAMPP 1.7.4... LAMPP: Starting Apache... LAMPP: Starting MySQL... LAMPP started.
  28. 28. XAMPP Configuration Stopping : • To stop XAMPP simply call this command : • You should now see something like this on your screen : • XAMPP for Linux is now stopped. Starting XAMPP 1.7.4... LAMPP: Stopping Apache... LAMPP: Stopping MySQL... LAMPP stoped. /opt/lampp/lampp stop
  29. 29. Recommended Texts for Learning PHP  Larry Ullman’s books from the Visual Quickpro series  PHP & MySQL for Dummies  Beginning PHP 5 and MySQL: From Novice to Professional by W. Jason Gilmore  (This is more advanced and dense than the others, but great to read once you’ve finished the easier books. One of the best definition/description of object oriented programming I’ve read)
  30. 30. Resources  Apache  Website: http://httpd.apache.org/  Documentation: http://httpd.apache.org/docs/2.2/  PHP  Website: http://www.php.net/  Documentation and language reference: http://www.php.net/docs.php  http://www.w3schools.com/php/default.asp
  31. 31. Resources  Xampp  Combines an Apache web server, PHP, and MySQL into one simple installation service.  Very little configuration required by the user to get an initial system up and running.  http://www.apachefriends.org/en/xampp.html
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