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Object Oriented Programming in PHP

PHP started life as a language that was used for embedding simple executable content in a web page, and has grown rapidly into a fully fledged system - by release 4 (PHP4) it had become almost as flexible as as any other language for web based applications while retaining its ability to do simple web page inserts very easily. An Object Oriented model was introduced at PHP4, which sits on top of the other facilities of the language and, whilst it's good, has one or two quirks and limitations. Taking the background from which PHP came, the type of applications run, and the fact that OO was essentially bolted on the side, uptake / use of objects in PHP 4 has not been huge.

Our regular PHP course - a 4 day course introducing PHP for newcomers to the language - briefly mentions Object Orientation in PHP but goes no further - realistically, for most people the OO has been something that haven't wanted to use, and to learn both the principles and practise within a 4 day session in which you learn all the rest of PHP is a bit of a tall order.

With the release of PHP5, we have added a one day "Object Orientation in PHP" course to our schedule. It's for experienced existing PHP programmers who are probably NOT familiar with the principles of Object Orientation (or if they are, they've just learnt the theory and never used them fully in a practical application) and it covers:
a) The principles of Object Orientation
b) Object Orientation in PHP version 4
c) Object Orientation in PHP 5 (an extended syntax from PHP4)
d) A discussion of differences between the PHP4 and PHP5 model and how this effects code
If you're using PHP4, you'll find that some 80% to 85% of the material presented will be immediately relevant, and that the remaining section on PHP5 will both prepare you for the future and warn you of those aspects of OO in PHP 4 which might lead to the need for code modifications when you step up to PHP5
(written 2004-09-29, updated 2008-05-10)

 
Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articles
H108 - Objects in PHP
  [4628] Associative objects - one object within another. - (2016-01-20)
  [4627] Caching results in an object for efficiency - avoiding re-calculation - (2016-01-20)
  [4626] Singleton design pattern - examples and uses - (2016-01-20)
  [4366] Changing what operators do on objects - a comparison across different programming languages - (2014-12-26)
  [4356] Object factories in C++, Python, PHP and Perl - (2014-12-19)
  [4073] Learning about Object Orientation in PHP - a new set of examples - (2013-04-28)
  [4057] stdClass in PHP - using an object rather than an associative array - (2013-04-02)
  [3953] Objects in PHP - Revision - (2012-12-16)
  [3843] Caching Design Patterns - (2012-08-20)
  [3841] Copying, duplicating, cloning an object in PHP - (2012-08-18)
  [3840] Autoload in PHP - (2012-08-17)
  [3609] How do classes relate to each other? Associated Classes - (2012-02-12)
  [3608] Design Patterns - what are they? Why use them? - (2012-02-12)
  [3607] Designing your application - using UML techniques - (2012-02-11)
  [3211] Computer Graphics in PHP - World (incoming data) to Pixel (screen) conversion - (2011-03-24)
  [3210] Catchable fatal error in PHP ... How to catch, and alternative solutions such as JSON - (2011-03-22)
  [3142] Private and Public - and things between - (2011-01-22)
  [2922] Getting the OO design write - with PHP a example - (2010-08-14)
  [2921] Does copying a variable duplicate the contents? - (2010-08-14)
  [2774] PHP - Object Oriented Design in use - (2010-05-21)
  [2741] What is a factory? - (2010-04-26)
  [2717] The Multiple Inheritance Conundrum, interfaces and mixins - (2010-04-11)
  [2680] Static class members in PHP - a documented example - (2010-03-16)
  [2641] Object Oriented Programming in PHP - (2010-02-19)
  [2632] Shipping a test harness with your class in PHP - (2010-02-12)
  [2435] Serialization - storing and reloading objects - (2009-10-04)
  [2434] Abstract classes, Interfaces, PHP and Java - (2009-10-03)
  [2380] Object Oriented programming - a practical design example - (2009-08-27)
  [2172] PHP4 v PHP5 - Object Model Difference - (2009-05-11)
  [2171] Cleaning up redundant objects - (2009-05-11)
  [2169] When should I use OO techniques? - (2009-05-11)
  [2160] PHP - getclass v instanceof - (2009-05-07)
  [1925] Introduction to Object Oriented Programming - (2008-12-06)
  [1820] Sorting objects in PHP - (2008-10-04)
  [1819] Calling base class constructors - (2008-10-03)
  [1682] Accounts in PHP - an OO demo - (2008-06-19)
  [1535] OO PHP demonstration - comparing objects and more - (2008-02-08)
  [1217] What are factory and singleton classes? - (2007-06-04)
  [1153] Object Oriented Model - a summary of changes from PHP4 to PHP5 - (2007-04-18)
  [1027] Cue the music, I'm happy. - (2007-01-09)
  [836] Build on what you already have with OO - (2006-08-17)
  [720] Planning a hotel refurb - an example of a Gant chart in PHP - (2006-05-14)
  [656] Think about your design even if you don't use full UML - (2006-03-24)
  [485] North, Norther and Northest - PHP 5 Objects - (2005-11-04)
  [421] Don't repeat code - use loops or functions - (2005-08-21)
  [343] Should I use structured or object oriented? - (2005-06-10)
  [205] PHP5 lets you say no - (2005-02-07)
  [124] PHP v Java - (2004-11-20)


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