An introduction to PHP Ivo Jansch <ivo@ibuildings.com> Casino Affiliate Convention 2008 - Amsterdam

About me CTO at Ibuildings Development using PHP (websites, applications) Big projects (high traffic, multi-tier, clusters, high availability, large teams) Consultancy (training, audits) Partner of Zend Technologies European focus (from offices in NL and UK) Geek! Author of several Open Source projects Interested in PHP, Web 2.0, Science Tuesday, February 26, 2008

CTO at Ibuildings

Development using PHP (websites, applications)

Big projects (high traffic, multi-tier, clusters, high availability, large teams)

Consultancy (training, audits)

Partner of Zend Technologies

European focus (from offices in NL and UK)

Geek!

Author of several Open Source projects

Interested in PHP, Web 2.0, Science

What is PHP? PHP: Hypertext Preprocessor Open Source web scripting language Created in 1994 Backed by Zend Syntax inherited from C, Java, Perl Powerful, flexible, easy to learn Tuesday, February 26, 2008

PHP: Hypertext Preprocessor

Open Source web scripting language

Created in 1994

Backed by Zend

Syntax inherited from C, Java, Perl

Powerful, flexible, easy to learn

PHP History # PHP Internet Domains 20M 15M 10M 5M Rasmus Lerdorf Introduces PHP/FI Zeev Suraski, Andi Gutmans lead development of PHP 3 PHP 4 Released 1M Internet domains Zend Engine Zend Founded Yahoo! Standardizes on PHP PHP 5.0 XML, SOAP, OOP Zend Studio IBM, Oracle Endorse PHP 1995 1997 1999 2000 2002 2004 2005 2006 > 20M domains

1M Internet domains

Zend Engine

Zend Founded

PHP 5.0

XML, SOAP, OOP

Zend Studio

Who is using PHP? Tuesday, February 26, 2008

Who’s supporting it? Tuesday, February 26, 2008

Why use PHP? Used by more than 25 million domains Open Source Documentation Platform independent (Linux, Windows, Unix, …) Backed by Zend and others Easy to learn Versatile Short time-to-market Tuesday, February 26, 2008

Used by more than 25 million domains

Open Source

Documentation

Platform independent (Linux, Windows, Unix, …)

Backed by Zend and others

Easy to learn

Versatile

Short time-to-market

Why use PHP Example of easy syntax: Tuesday, February 26, 2008

Example of easy syntax:

Available CMS systems Joomla http://www.joomla.org Drupal http://www.drupal.org ezPublish http://ez.no/ezpublish Typo3 http://www.typo3.org/ Tuesday, February 26, 2008

Joomla

http://www.joomla.org

Drupal

http://www.drupal.org

ezPublish

http://ez.no/ezpublish

Typo3

http://www.typo3.org/

Other useful PHP software Blog - Wordpress http://wordpress.org Forum - vBulletin http://www.vbulletin.com Wiki – Mediawiki http://www.mediawiki.org CRM – SugarCRM http://www.sugarcrm.com Template engine – Smarty http://smarty.php.net Tuesday, February 26, 2008

Blog - Wordpress

http://wordpress.org

Forum - vBulletin

http://www.vbulletin.com

Wiki – Mediawiki

http://www.mediawiki.org

CRM – SugarCRM

http://www.sugarcrm.com

Template engine – Smarty

http://smarty.php.net

PHP Frameworks Why use a framework? Don’t reinvent the wheel Good programmers are lazy Even quicker time to market Provides structure Proven concepts Tuesday, February 26, 2008

Why use a framework?

Don’t reinvent the wheel

Good programmers are lazy

Even quicker time to market

Provides structure

Proven concepts

PHP Frameworks Zend Framework http://framework.zend.com Component framework “ Use at will architecture” Symfony http://symfony-project.org Full Stack framework Doesn’t reinvent the wheel ATK http://www.achievo.org/atk Backend framework Code minimization Tuesday, February 26, 2008

Zend Framework

http://framework.zend.com

Component framework

“ Use at will architecture”

Symfony

http://symfony-project.org

Full Stack framework

Doesn’t reinvent the wheel

ATK

http://www.achievo.org/atk

Backend framework

Code minimization

Useful tools Eclipse PDT http://www.zend.com/en/community/pdt Tuesday, February 26, 2008

Eclipse PDT

http://www.zend.com/en/community/pdt

Useful tools Zend Studio http://www.zend.com/studio Tuesday, February 26, 2008

Zend Studio

http://www.zend.com/studio

Useful tools Zend Platform http://www.zend.com/platform Tuesday, February 26, 2008

Zend Platform

http://www.zend.com/platform

PHP powers Web 2.0 AJAX XML Web Services SOAP REST Tuesday, February 26, 2008

AJAX

XML

Web Services

SOAP

REST

Common misconceptions “ PHP is for hobbyists” Low learning curve Proper software engineering => proper quality “ PHP is insecure” PHP is a language; it’s the programmer that implements security “ PHP is not a real language” It’s a scripting language; but a powerful one Tuesday, February 26, 2008

“ PHP is for hobbyists”

Low learning curve

Proper software engineering => proper quality

“ PHP is insecure”

PHP is a language; it’s the programmer that implements security

“ PHP is not a real language”

It’s a scripting language; but a powerful one

Important guidelines Don’t mix HTML with code Template Engines MVC (Model, View, Controller) Learn Object Oriented programming Cleaner code Improved code reuse More robust applications Keep security in mind Don’t ever trust user input Sanitize output Tuesday, February 26, 2008

Don’t mix HTML with code

Template Engines

MVC (Model, View, Controller)

Learn Object Oriented programming

Cleaner code

Improved code reuse

More robust applications

Keep security in mind

Don’t ever trust user input

Sanitize output

Resources The official PHP website http://www.php.net Learn from the PHP community http://planet-php.net http://phpdeveloper.org Zend http://www.zend.com Ibuildings http://www.ibuildings.com My blog http://www.jansch.nl Tuesday, February 26, 2008

The official PHP website

http://www.php.net

Learn from the PHP community

http://planet-php.net

http://phpdeveloper.org

Zend

http://www.zend.com

Ibuildings

http://www.ibuildings.com

My blog

http://www.jansch.nl

Questions? http://www.slideshare.net/ijansch http://www.ibuildings.com [email_address] Two slides were adapted (with permission) from Bruno Pedro’s “PHP and Webservices” presentation. (http://slideshare.net/bpedro)