PHP Objects, Patterns and Practice (3rd edition)
CHAPTER 3 ■ OBJECT BASICS print "author: {$product1->producerFirstName} " ."{$product1->producerMainName}\n"; This outputs ...
CHAPTER 3 ■ OBJECT BASICS ■Note PHP 4 does not recognize visibility keywords for methods or properties. Adding public, protected ...
CHAPTER 3 ■ OBJECT BASICS So getProducer() combines and returns the $producerFirstName and $producerMainName properties, saving ...
CHAPTER 3 ■ OBJECT BASICS Any arguments supplied are passed to the constructor. So in my example I pass the title, the first nam ...
CHAPTER 3 ■ OBJECT BASICS Table 3-1. Primitive Types and Checking Functions in PHP Type Checking Function Type Description is_bo ...
CHAPTER 3 ■ OBJECT BASICS As you can see, the outputAddresses() method loops through an array of IP addresses, printing each one ...
CHAPTER 3 ■ OBJECT BASICS function outputAddresses( $resolve ) { if (! is_bool( $resolve ) ) { die( "outputAddress() requires a ...
CHAPTER 3 ■ OBJECT BASICS My Antonia: Willa Cather (5.99) The ShopProductWriter class contains a single method, write(). The wri ...
CHAPTER 3 ■ OBJECT BASICS function setArray( array $storearray ) { $this->array = $storearray; } Support for array hinting wa ...
CHAPTER 3 ■ OBJECT BASICS How can I extend my example to accommodate these changes? Two options immediately present themselves. ...
CHAPTER 3 ■ OBJECT BASICS function getSummaryLine() { $base = "{$this->title} ( {$this->producerMainName}, "; $base .= "{$ ...
CHAPTER 3 ■ OBJECT BASICS public $numPages; public $title; public $producerMainName; public $producerFirstName; public $price; f ...
CHAPTER 3 ■ OBJECT BASICS } $str = "{$shopProduct->title}: ". $shopProduct->getProducer(). " ({$shopProduct->price})\n" ...
CHAPTER 3 ■ OBJECT BASICS $base = "$this->title ( {$this->producerMainName}, "; $base .= "{$this->producerFirstName} )" ...
CHAPTER 3 ■ OBJECT BASICS getSummaryLine() method. Later on you will see how it is possible to make this promise in a base class ...
CHAPTER 3 ■ OBJECT BASICS $base .= "{$this->producerFirstName} )"; return $base; } } class CdProduct extends ShopProduct { pu ...
CHAPTER 3 ■ OBJECT BASICS Note Prior to PHP 5, constructors took on the name of the enclosing class. The new unified constructor ...
CHAPTER 3 ■ OBJECT BASICS A protected method or property can only be accessed from within either the enclosing class or from a ...
CHAPTER 3 ■ OBJECT BASICS Accessor Methods Even when client programmers need to work with values held by your class, it is often ...
CHAPTER 3 ■ OBJECT BASICS private $discount = 0; public function __construct( $title, $firstName, $mainName, $price ) { $this-&g ...
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