OOP THE PHP 5.3 WAY

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OOP THE PHP 5.3 WAY

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Page 1. SEATTLE • PORTLAND • AUSTIN • BALTIMORE • ORLANDO. OOP THE PHP. 5.3 WAY. Page 2. Marco Tabini. OOP THE PHP 5.3 WAY. Page 3 ...

OOP THE PHP 5.3 WAY SEATTLE • PORTLAND • AUSTIN • BALTIMORE • ORLANDO

OOP THE PHP 5.3 WAY Marco Tabini

OOP THE PHP 5.3 WAY Marco Tabini

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OOP THE PHP 5.3 WAY Marco Tabini

?

OOP THE PHP 5.3 WAY Marco Tabini

Class

Object Object Object Object Object Object Object Object Object Object Object Object Object Object Object

$x = new Class()

OOP THE PHP 5.3 WAY Marco Tabini

Class

Encapsulation Visibility Inheritance Polymorphism Abstraction

OOP THE PHP 5.3 WAY Marco Tabini

class a { }

Class

Encapsulation Visibility Inheritance Polymorphism Abstraction

OOP THE PHP 5.3 WAY Marco Tabini

class a { const C = 10; var $aVariable;

Class

function __construct() { } function __destruct() { } function doSomething() { } }

Encapsulation Visibility Inheritance Polymorphism Abstraction

OOP THE PHP 5.3 WAY Marco Tabini

class a { const C = 10;

Class

protected $aVar; public $bVar; private $cVar; protected function __construct() { } private function __destruct() { } public function doSomething() { } }

Encapsulation Visibility Inheritance Polymorphism Abstraction

OOP THE PHP 5.3 WAY Marco Tabini

class a { const C = 10;

Class

protected $aVar; public $bVar; private $cVar; protected function __construct() { } private function __destruct() { } public function doSomething() { } }

Encapsulation Visibility Inheritance Polymorphism Abstraction

class b extends a { public function doSomething() { parent::doSomething(); } }

OOP THE PHP 5.3 WAY Marco Tabini

class a { const C = 10;

Class

protected $aVar; public $bVar; private $cVar; protected function __construct() { } private function __destruct() { } public function doSomething() { } }

Encapsulation Visibility Inheritance Polymorphism Abstraction

class b extends a { public function doSomething() { parent::doSomething(); } }

OOP THE PHP 5.3 WAY Marco Tabini

interface IMyClass { function a($a, $b); }

Class

abstract class a { abstract function something($data); function somethingElse($dataToo); } class b extends a {

Encapsulation Visibility Inheritance Polymorphism Abstraction

function something($data) { // Actual implementation } }

OOP THE PHP 5.3 WAY Marco Tabini

Class

Encapsulation Visibility Inheritance Polymorphism Abstraction

class a { protected $_mySecretVariable; protected _mySecretFunction($data) { echo $data; } function __get($varName) { return $varName == "secret" ? $this-‐>_mySecretVariable; } function __set($varName, $varValue) { if ($varName == "secret") { $this-‐>mySecretValue = (int) $varValue; } } function __call($functionName, $arguments) { if ($functionName == "aFunctionThatDoesntExist") { call_user_func_array(array($this, $argumnets)) } } }

OOP THE PHP 5.3 WAY Marco Tabini

Static Classes

OOP THE PHP 5.3 WAY Marco Tabini

B::test(); ?>

OOP THE PHP 5.3 WAY Marco Tabini

Finding Classes

OOP THE PHP 5.3 WAY Marco Tabini

OOP THE PHP 5.3 WAY Marco Tabini

Error Reporting

OOP THE PHP 5.3 WAY Marco Tabini

class AKindOfException extends Exception {} class AnotherKindOfException extends Exception {} try { try { if (rand(0, 1) < 0.5) { throw new AKindOfException(); } else { throw new AnotherKindOfException(); } } catch (AnotherKindOfException $e) { // Handle another kind of exception } } catch (AKindOfException $e) { // Catch a kind of exception }

OOP THE PHP 5.3 WAY Marco Tabini

Namespaces

OOP THE PHP 5.3 WAY Marco Tabini

example.php

use.php