php objects patterns and practice 3rd edition phần 4 pps

... particularly with regard to type and inheritance. You saw PHP s support for visibility and explored some of its uses. In the next chapter, I will show you more of PHP s object-oriented features. ... pointed to the same object. In PHP, objects are always assigned and passed around by reference. This means that when my previous example is run with PHP 5, $first and $second cont...

Ngày tải lên: 17/10/2013, 20:15

... elegance and evolve an informal set of techniques that we use and reuse in our projects. These techniques are patterns of design. Design patterns inscribe and formalize these problems and solutions, ... concepts and consequences has a handle, which makes for a handy shorthand, as I’ll illustrate later in this chapter. Finally, it is illegal, according to international law, t...

Ngày tải lên: 20/10/2013, 11:15

... Patterns, the patterns deal with presentation, and application logic. Database Patterns An examination of patterns that help with storing and retrieving data and with mapping objects to and from ... Enterprise Patterns I look at some patterns that describe typical Internet programming problems and solutions. Drawn largely from Patterns of Enterprise Application A...

Ngày tải lên: 20/10/2013, 11:15

... layer, and returns false. If all is well, LoginCommand simply returns true. Note that Command objects do not themselves perform much logic. They check input, handle error conditions, and cache ... business objects, or possibly into a Facade layer. I am still missing the client, the class that generates command objects, and the invoker, the class that works with the generated comman...

Ngày tải lên: 24/10/2013, 10:15

... $this->viewMap[$command][$status]; } return null; } function addForward( $command, $status=0, $newCommand ) { $this->forwardMap[$command][$status]=$newCommand; } function getForward( $command, ... resource for command and status 0 if ( ! $resource ) { $resource = $this->controllerMap->$acquire( $cmd_str, 0 ); } // or command 'default' and...

Ngày tải lên: 24/10/2013, 10:15

... the Third Edition 7 Summary 7 Part 2: Objects 9 ■Chapter 2: PHP and Objects 11 The Accidental Success of PHP Objects 11 In the Beginning: PHP/ FI 11 Syntactic Sugar: PHP 3 11 PHP 4 and the ... Diagrams 11 0 Sequence Diagrams 11 7 Summary 11 9 Part 3: Patterns 12 1 ■Chapter 7: What Are Design Patterns? Why Use Them? 12 3 What Are Design Patterns? 1...

Ngày tải lên: 14/08/2014, 11:21

... XmlParamHandler and TextParamHandler, extending the abstract base class ParamHandler’s write() and read() methods. // could return XmlParamHandler or TextParamHandler $test = ParamHandler::getInstance( ... you are using a tried -and- tested technique. Design Patterns Are Language Independent Patterns define objects and solutions in object-oriented terms. This means that many...

Ngày tải lên: 14/08/2014, 11:21

... distinguish structurally between composite and leaf objects) and have Unit::addUnit() do the same thing: create an Army object, and add both Unit objects to it. This is neat, but it presupposes ... Army and TroopCarrier classes are composites: designed to hold Unit objects. The Archer and LaserCannon classes are leaves, designed to support unit operations but not to hold othe...

Ngày tải lên: 14/08/2014, 11:21

... FeedbackCommand .php, and is saved in the correct commands folder, it will be run in response to a “feedback” action string, without the need for any changes in the controller or CommandFactory ... $instance->handleRequest(); } CHAPTER 12 ■ ENTERPRISE PATTERNS 222 The Patterns These are the patterns I explore in this chapter. You may read from start to finish or dip in t...

Ngày tải lên: 14/08/2014, 11:21

... checking and logic layer calls that you would put in a Command sit just as easily in a page controller class, and you benefit from the fact that you do not need a mechanism to select your Command objects. ... application controller to acquire first a Command object and then a view. Figure 12–7. Using an application controller to acquire commands and views The Command Class...

Ngày tải lên: 14/08/2014, 11:21

... pear .php. net/DB depended on by pear .php. net/Log pear .php. net/MDB2 depended on by pear .php. net/Log pear .php. net/Mail depended on by pear .php. net/Log CHAPTER 15 ■ AN INTRODUCTION TO PEAR AND ... PEAR Config Name Example Location php PHP file php_ dir /usr/local/lib /php test Unit test file test_dir /usr/local/lib /php/ test/<package> script Command line scrip...

Ngày tải lên: 14/08/2014, 11:21

... A megaquiz1.0.0/command/Command .php A megaquiz1.0.0/command/CommandContext .php A megaquiz1.0.0/command/FeedbackCommand .php A megaquiz1.0.0/command/LoginCommand .php Exported revision 9.The ... megaquiz1.0.0/quizobjects A megaquiz1.0.0/quizobjects/User .php A megaquiz1.0.0/quiztools A megaquiz1.0.0/quiztools/AccessManager .php A megaquiz1.0.0/main .php A megaquiz1.0.0/comma...

Ngày tải lên: 14/08/2014, 11:21

... covered and points made throughout the book: ã PHP and objects: How PHP continues to increase its support for object-oriented programming, and how to leverage these features. ã Objects and design: ... tools including PHPUnit (both for testing and code coverage), PHP_ CodeSniffer, PHP_ CodeBrowser, phpDocumentor and Subversion. Then I set up CruiseControl with phpUnde...

Ngày tải lên: 14/08/2014, 11:21

... 407 PHP 3 and objects, 11 PHP 4 and objects, 12 PHP 4 and var keyword, 17, 35 PHP 5 and objects, 13 PHP 5, release features, 453 PHP 5.3 and namespaces, 14, 71 PHP 6 and objects, 14 PHP ... $and- >add( $this->operand() ); $and- >setHandler( new BooleanAndHandler() ); return $and; } function operand() { if ( ! isset( $this->operand ) )...

Ngày tải lên: 14/08/2014, 11:21