Php In The Enterprise

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PHP

in the Enterprise

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Michael Cheng President / Founder, Philosophy in Programming Society [email protected] (Zend Certified Engineer)

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What is PHP? •

PHP is a scripting language designed for producing dynamic web pages.

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It has evolved to include a command line interface capability and can be used in standalone graphical applications.

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PHP is a widely-used general-purpose scripting language that is especially suited for web development and can be embedded into HTML.

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It generally runs on a web server. Current Version: 5.2.8 - www.php.net Source: Wikipedia - http://en.wikipedia.org/wiki/Php

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History • •

PHP started in 1995: Rasmus Lerdorf

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PHP has come of age.

1997: Zeev Suraski and Andi Gutmans began a complete rewrite of PHP to make the language more powerful. Maturity in the language's syntax & features - perfect balance of ease of use and performance.

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Building Blocks of WWW

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Easy to Learn & Code =

Its Free to Use! Ph.P

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Its Everywhere!

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The Thinking Man

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Start Thinking... Ph.P

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Iron Thinking

Be Iron Man?

Or Sit Pretty? Ph.P

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Let’s Start with a Smile.

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One of the Greatest Minds

E=MC

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Some of the Possibilities...

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Time To Move Up...

Let’s Build Skyscrapers

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Benefits • • • • • • •

Easy to pick-up. Syntax close to C. Motto: “Get Stuff Done Now”. Simplicity & Versatility. Interpreted not compiled.

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Just upload and its done!

Support rapid & agile development. Ubiquity of web servers that supports PHP. Lower TCO. Ph.P

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Syntax

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SOAP Client try { $client = new SoapClient(’http://api.google.com/GoogleSearch.wsdl’); $results = $client->doGoogleSearch($key, $query, 0, 10, FALSE, ’’, FALSE, ’’, ’’, ’’); foreach ($results->resultElements as $result) { echo ’URL) . ’">’; echo htmlentities($result->title, ENT_COMPAT, ’UTF-8’); echo ’
’; } } catch (SoapFault $e) { echo $e->getMessage(); }

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10 Point Plan: PHP in the Enterprise How to successful roll-out PHP in your company.

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10-Point Plan

• The Team • Requirements • Architecture • Tools • Foundation

• Design Patterns • Testing • Optimization • Deployment • Operations Ph.P

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1. The Team • • •

Get a team together. Build up knowledge on PHP.

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OOP in PHP. Extensions available.

Consider PHP Certification to fast-track your learning process.

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2. Requirements •

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Gather requirements.

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What does the customer want? What will visitors want? What does the customer really need?

Functional design. Application flow diagrams Wire frames.

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3. Architecture • •

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Don’t be so Step eager to into coding. 3 jump - Architecture Data modeling. Technical Design

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• Modeling Class diagrams.

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SOA

• Class Diagrams (data model) Collaboration • ER Diagramsdiagram. • Collaboration Diagrams Use •cases. Use Cases etc. Tools: • High Level Architectures UML • Whiteboards • • Design Patterns

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4. Tools • •

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The right tools help you get productive fast.

Step 4 - Tools

Development Tools:

• • •

Development:

Eclipse• PDT PHPClipse Eclipse/ PDT Zend Studio • Komodo • PhpEd • Vim Zend Studio • Komodo

Full IDE or Text Editor?

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IDE’s versus Editors

& Profiling Debugging / Profiling • Debugging

• Syntax Check Syntax•checking Cross-Referencing / Navigation Cross Referencing / Navigation

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4. Tools • •

Version Control

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Subversion CVS

Documentation Tools

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PHP Documentor (http://phpdoc.org) PHPXRef (http://phpxref.sourceforge.net)

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5. Foundation •

Good foundation will help in making your code more maintainable and scalable.

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SOP & Best Practices Use a framework

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Zend Framework (http://framework.zend.com) CakePHP (http://cakephp.org) Symfony (http://www.symfony-project.org) Code Ignitor (http://codeigniter.com/) Ph.P

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6. Design Patterns • •

Best practice way of solving a particular problem. Patterns:

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Model-View-Controller Factory Singleton Registry Decorator

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7. Testing •

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Various types of testing:

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Developer testing Functional testing Environment testing Performance testing Usability testing

Solution: Unit Tests

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Automated testing after each change Prevents regressions

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7. Testing • •

Testing for PHP applications:

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PHPUnit http://www.phpunit.de/ SimpleTest http://www.lastcraft.com/simple_test.php

Continuous Integration:

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CruiseControl http://cruisecontrol.sourceforge.net/ phpUnderControl http://www.phpundercontrol.org/

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8. Optimization •

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Accelerators for PHP:

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APC http://pecl.php.net/package/APC eAccelerator http://eaccelerator.net/ Zend Platform http://www.zend.com/products/ zend_platform

PHP Caching solutions:

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Zend_Cache http://framework.zend.com

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Memcached http://danga.com/memcached/

Zend Platform http://www.zend.com/products/ zend_platform Ph.P

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9. Deployment •

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Lifecycle:

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Develop Test Deploy to acceptance test environment Deploy to production server

Use Subversion or Capistrano Remember the database

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9. Deployment •

Basic server installation.

Linux

Windows

Apache

IIS

Database

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10. Operations • • •

Monitoring Performance

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Logs

Debugging

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A ‘root cause’ & analysis tool Context Capture

Change management:

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Ticket system Stick to your deployment - use the DRP DON'T TOUCH THE LIVE ENVIRONMENT.

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10-Point Plan • The Team • Design Patterns • Requirements • Testing • Architecture • Optimization • Tools • Deployment • Foundation • Operations Ph.P

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There’s More... • • • • •

Planning

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Development methodology (Waterfall / Agile) Software Development Life Cycle (SDLC)

Coding best practices Security Implementation Good luck!

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About Michael • •

Web development business for 10+ years.

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Started Singapore PHP User Group in 2006

Currently running a small web development & consulting business. Regular monthly meetups since November 2007 (average turn out of 50 members); 480+ members to date.

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History •

2nd Facebook Developer Garage at Microsoft Singapore Auditorium (5 March 2008).

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History •

BarCamp II - Maps & Mobile Unconference (21 May 2008).

Wed, 21 May 2008 NUS Extension, Park Mall

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The Philosophy in Programming Society • •

Registered as Ph.P Society in July 2008. Endorsed By:

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Upcoming Events • • •

PHP Meetup (26 Feb - Oracle Singapore) Zend-PHP Certification Course (7 March) Enrichment Workshops (March 2009)

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Workshops • • • • •

Intro to PHP CMSs

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Visit http://www.php.org.sg for more details.

PHP Frameworks: A Primer Drupal, WordPress, Joomla Extensions Development Web 2.0 Mastery Foundation Course Building Rich Internet Apps: Javascript Frameworks

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Michael Cheng [email protected]

http://www.php.com.sg http://www.php.org.sg http://facebook.php.org.sg

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