php objects patterns and practice 3rd edition phần 4 pps
PHP Objects, Patterns and Practice- P2
... 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 contain references ... example; instanceof resolves to true if the object in the left-hand operand is of the type represented by the right-hand operand. Once again, I have been forced to include a new layer of complexity....
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PHP Objects, Patterns and Practice- P3
... 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, to write about patterns ... function (http://www .php. net/spl_autoload_register), which supports that functionality. The Class and Object Functions PHP provides a powerful set of functions for testing classes and objects. Why...
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PHP Objects, Patterns and Practice- P4
... 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 Architecture and Core J2EE Patterns, ... ARE DESIGN PATTERNS? WHY USE THEM? 129 PHP and Design Patterns There is little in this chapter that is specific to PHP, which is characteristic of our topic to some extent. Many patterns apply...
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PHP Objects, Patterns and Practice- P5
... 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 command. The ... these patterns have been around for a while (patterns reflect well-tried practices, after all), the names and boundaries are drawn either from Martin Fowler’s key work on enterprise patterns, Patterns...
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PHP Objects, Patterns and Practice- P6
... $this->viewMap[$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 command status if ( ... If each of your commands is only used once, in one relationship to other commands, and with one view, then you should hard-code your commands’ relationship with each other and their views. Otherwise,...
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php objects patterns and practice 3rd edition phần 1 pdf
... 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? 12 3 A Design Pattern Overview 12 5 Name 12 5 ... Independent 12 7 Patterns Define a Vocabulary 12 7 Patterns Are Tried and Tested 12 8 Patterns Are Designed for Collaboration 12 8 Design Patterns Promote Good Design 12 8 PHP and Design Patterns 12 9...
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php objects patterns and practice 3rd edition phần 3 pptx
... 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 patterns apply equally ... Figure 8–4: CHAPTER 6 ■ OBJECTS AND DESIGN 109 Having said that, of course, I knew from the start that there would be text and XML implementations of ParamHandler, and there is no question...
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php objects patterns and practice 3rd edition phần 4 pps
... 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 other Unit objects. ... is composed of other objects. Perhaps all Sea objects can contain Resource objects (FishResource, OilResource, etc.). According to a preference flag, we might give all Sea objects a FishResource...
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php objects patterns and practice 3rd edition phần 5 ppsx
... 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 to those patterns ... many different views and commands. ã Application Controller: Create a class to manage view logic and command selection. ã Template View: Create pages that manage display and user interface only,...
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php objects patterns and practice 3rd edition phần 6 pps
... 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 You may have noticed that ... J2EE Patterns (as Data Access Object) and Martin Fowler in Patterns of Enterprise Application Architecture (in fact, Data Access Object is not an exact CHAPTER 12 ■ ENTERPRISE PATTERNS 267 ...
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php objects patterns and practice 3rd edition phần 7 pot
... 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 script bin_dir /usr/local/bin ... INTRODUCTION TO PEAR AND PYRUS 345 and regenerate the PEAR package Analyzing Dialekt/AliG .php Analyzing Dialekt/Dalek .php Analyzing cli-dialekt .php Analyzing Dialekt .php Package Dialekt-1.2.1.tgz...
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php objects patterns and practice 3rd edition phần 8 pps
... 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/command A megaquiz1.0.0/command/Command .php ... use a particular file, command/FeedbackCommand .php, as an example. class FeedbackCommand extends Command { function execute( CommandContext $context ) { // new and risky development //...
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php objects patterns and practice 3rd edition phần 9 docx
... 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 phpUnderControl and showed you how ... won’t be up and running with a build and test cycle any time soon. phpuc comes to the rescue, though, with the project command. This creates the required files and directories, and amends any...
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php objects patterns and practice 3rd edition phần 10 potx
... 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 ) ) { $this->operand ... $this->operand() ); $or->setHandler( new BooleanOrHandler() ); return $or; } function andExpr() { $and = new \gi\parse\SequenceParse(); $and- >add( new \gi\parse\WordParse(&apos ;and& apos;)...
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