Getting Started with Object Oriented Programming - Revision history

Cmb: Several markup changes. URL corrections.

2022-10-17T17:38:37Z

Several markup changes. URL corrections.

Waltsjt: Add scope modifiers to functions

2015-07-07T22:40:41Z

Add scope modifiers to functions

← Older revision		Revision as of 22:40, 7 July 2015
Line 10:		Line 10:

	<syntaxhighlight lang="php">		<syntaxhighlight lang="php">
	function calculateBMI( $height, $weight ) {		public function calculateBMI( $height, $weight ) {
	return $weight / $height;		return $weight / $height;
	}</syntaxhighlight>		}</syntaxhighlight>
Line 25:		Line 25:
	public $weight;		public $weight;

	function getBMI() {		public function getBMI() {
	return $this->weight / $this->height;		return $this->weight / $this->height;
	}		}
Line 63:		Line 63:
	public $weight;		public $weight;

	function getBMI() {		public function getBMI() {
	return $this->weight / $this->height;		return $this->weight / $this->height;
	}		}
Line 90:		Line 90:
	class Copier		class Copier
	{		{
	function copy() {		public function copy() {
	echo 'One copy made';		echo 'One copy made';
	}		}
Line 107:		Line 107:
	public $counter;		public $counter;

	function copy() {		public function copy() {
	$this->counter++;		$this->counter++;
	parent::copy();		parent::copy();
Line 132:		Line 132:
	public $counter;		public $counter;

	function __construct() {		public function __construct() {
	$this->counter = 0;		$this->counter = 0;
	}		}

	function copy() {		public function copy() {
	$this->counter++;		$this->counter++;
	parent::copy();		parent::copy();
Line 150:		Line 150:
	public $copies;		public $copies;

	function setCopies( $copies ) {		public function setCopies( $copies ) {
	$this->copies = $copies;		$this->copies = $copies;
	}		}
Line 172:		Line 172:
	public $copies;		public $copies;

	function __construct() {		public function __construct() {
	$this->copies = 1;		$this->copies = 1;
	parent::__construct();		parent::__construct();
	}		}

	function setCopies( $copies ) {		public function setCopies( $copies ) {
	$this->copies = $copies;		$this->copies = $copies;
	}		}

	function copy() {		public function copy() {
	for ($i = 0; $i < $this->copies; $i++) {		for ($i = 0; $i < $this->copies; $i++) {
	parent::copy();		parent::copy();

Waltsjt: Add link to PHP5 OOP

2015-07-07T18:42:56Z

Add link to PHP5 OOP

← Older revision		Revision as of 18:42, 7 July 2015
Line 1:		Line 1:
	PHP is an object oriented language, and to use the MVC structure as implemented by Joomla!, a solid understanding of object oriented programming ''(OOP)'' is required. This document explains the reasons for using objects and the way objects are used in PHP.		PHP is an object oriented language, and to use the MVC structure as implemented by Joomla!, a solid understanding of object oriented programming ''(OOP)'' is required. This document explains the reasons for using objects and the way objects are used in PHP and Joomla.

	== Introduction to Objects ==		== Introduction to Objects ==
Line 124:		Line 124:
	This value needs to be ''initialized'' to a certain value.		This value needs to be ''initialized'' to a certain value.

	Initializing values is generally done by what is called a ''constructor''. A constructor does just that - it constructs the object~~. In PHP4, constructors were functions that always had the same name as the class~~. In PHP5, constructors are functions with the name <code>__construct</code>. We will use <code>__construct</code> here.		Initializing values is generally done by what is called a ''constructor''. A constructor does just that - it constructs the object. In PHP5, constructors are functions with the name <code>__construct</code>. We will use <code>__construct</code> here.

	So our class now becomes:		So our class now becomes:
Line 228:		Line 228:
	The advanced copiers added more features, but this was separate from the original interface. (just as a car with cruise control has the same basic interface as a car without cruise control, but to take advantage of the cruise control you need to know how to set it).		The advanced copiers added more features, but this was separate from the original interface. (just as a car with cruise control has the same basic interface as a car without cruise control, but to take advantage of the cruise control you need to know how to set it).

	~~This idea~~ is an important part of the design of Joomla!.		Object Oriented Programming is an important part of the design of Joomla!.

	''ianmac put together this OOPs overview for the community; [http://forum.joomla.org/index.php/topic,200185.msg943596.html#msg943596 Post #1] and [http://forum.joomla.org/index.php/topic,200694.msg944114.html#msg944114 Post #2]''		''ianmac put together this OOPs overview for the community; [http://forum.joomla.org/index.php/topic,200185.msg943596.html#msg943596 Post #1] and [http://forum.joomla.org/index.php/topic,200694.msg944114.html#msg944114 Post #2]''

			== See Also ==
			[http://us3.php.net/manual/en/oop5.intro.php Introduction to PHP 5 OOP]

	<noinclude>		<noinclude>

Waltsjt: Remove the PHP 4 method of declaring a variable with the var keyword, we shouldn't suggest a B/C synonym for the public keyword when we could just use public

2015-07-06T21:37:30Z

Remove the PHP 4 method of declaring a variable with the var keyword, we shouldn't suggest a B/C synonym for the public keyword when we could just use public

← Older revision		Revision as of 21:37, 6 July 2015
Line 21:		Line 21:
	class person		class person
	{		{
	~~var~~ $name;		public $name;
	~~var~~ $height;		public $height;
	~~var~~ $weight;		public $weight;

	function getBMI() {		function getBMI() {
Line 59:		Line 59:
	class person extends JObject		class person extends JObject
	{		{
	~~var~~ $name;		public $name;
	~~var~~ $height;		public $height;
	~~var~~ $weight;		public $weight;

	function getBMI() {		function getBMI() {
Line 105:		Line 105:
	class CopierWithCounter extends Copier		class CopierWithCounter extends Copier
	{		{
	~~var~~ $counter;		public $counter;

	function copy() {		function copy() {
Line 130:		Line 130:
	class CopierWithCounter extends Copier		class CopierWithCounter extends Copier
	{		{
	~~var~~ $counter;		public $counter;

	function __construct() {		function __construct() {
Line 148:		Line 148:
	class CopierMultipleCopies extends CopierWithCounter		class CopierMultipleCopies extends CopierWithCounter
	{		{
	~~var~~ $copies;		public $copies;

	function setCopies( $copies ) {		function setCopies( $copies ) {
Line 170:		Line 170:
	class CopierMultipleCopies extends CopierWithCounter		class CopierMultipleCopies extends CopierWithCounter
	{		{
	~~var~~ $copies;		public $copies;

	function __construct() {		function __construct() {
Line 232:		Line 232:
	''ianmac put together this OOPs overview for the community; [http://forum.joomla.org/index.php/topic,200185.msg943596.html#msg943596 Post #1] and [http://forum.joomla.org/index.php/topic,200694.msg944114.html#msg944114 Post #2]''		''ianmac put together this OOPs overview for the community; [http://forum.joomla.org/index.php/topic,200185.msg943596.html#msg943596 Post #1] and [http://forum.joomla.org/index.php/topic,200694.msg944114.html#msg944114 Post #2]''

			<noinclude>
	[[Category:Development]]		[[Category:Development]]
			[[Category:Component Development]]
			[[Category:Beginner Development]]
			[[Category:Development Recommended Reading]]
	[[Category:Tutorials]]		[[Category:Tutorials]]
			</noinclude>

Tom Hutchison: fixing, missing close tag

2013-02-04T16:14:26Z

fixing, missing </code> close tag

Show changes

Chris Davenport: Reverted edits by MTrapp82 (talk) to last revision by Mvangeest

2011-09-26T20:43:21Z

Reverted edits by MTrapp82 (talk) to last revision by Mvangeest

Show changes

MTrapp82: None

2011-09-26T18:47:45Z

None

Show changes

Mvangeest: Made miscellaneous improvements

2011-01-14T19:28:40Z

Made miscellaneous improvements

Show changes

Mvangeest: Tutorial:Getting Started With OOPs moved to Getting Started with Object Oriented Programming: Moved page to main namespace because the Tutorial namespace is deprecated

2011-01-14T18:49:36Z

Tutorial:Getting Started With OOPs moved to Getting Started with Object Oriented Programming: Moved page to main namespace because the Tutorial namespace is deprecated

← Older revision	Revision as of 18:49, 14 January 2011
(No difference)

Jeeradate at 13:14, 10 March 2010

2010-03-10T13:14:54Z

← Older revision		Revision as of 13:14, 10 March 2010
Line 226:		Line 226:
	This idea is an important part of the design of Joomla!		This idea is an important part of the design of Joomla!

	//ianmac put together this OOPs overview for the community; [[http://forum.joomla.org/index.php/topic,200185.msg943596.html#msg943596\|Post #1]] and [[http://forum.joomla.org/index.php/topic,200694.msg944114.html#msg944114\|Post #2]]//		//ianmac put together this OOPs overview for the community; [http://forum.joomla.org/index.php/topic,200185.msg943596.html#msg943596 Post #1] and [http://forum.joomla.org/index.php/topic,200694.msg944114.html#msg944114 Post #2]//