Pro PHP and jQuery by Jason Lengstorf.pdf - Computer Science ...

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114 CHAPTER 3 ■ OBJECT-ORIENTED PROGRAMMING // Output the new values for the people echo "Person 1: ", print_r($person1, TRUE), ""; echo "Person 2: ", print_r($person2, TRUE), ""; ?> When executed, the code outputs the following: Person 1: Array ( ) [name] => Tom [job] => Button-Pusher [age] => 34 Person 2: Array ( ) [name] => John [job] => Lever-Puller [age] => 41 Person 1: Array ( ) [name] => Tom [job] => Box-Mover [age] => 35 Person 2: Array ( ) [name] => John [job] => Lever-Puller [age] => 42
CHAPTER 3 ■ OBJECT-ORIENTED PROGRAMMING While this code isn’t necessarily bad, there’s a lot to keep in mind while coding. The array of the affected person’s attributes must be passed <strong>and</strong> returned from each function call, which leaves margin for error. To clean up this example, it would be desirable to leave as few things up to the developer as possible. Only absolutely essential information for the current operation should need to be passed to the functions. This is where OOP steps in <strong>and</strong> helps you clean things up. The OOP Approach Here’s the OOP approach to our example:
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THE EXPERT’S VOICE ® IN OPEN SOU
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ii Pro PHP and jQuery Copyright ©
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iv Contents at a Glance ■About th
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vi ■ CONTENTS Understanding jQuer
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viii ■ CONTENTS Summary .........
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x ■ CONTENTS ■Chapter 9: Perfor
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xii About the Author ■ Jason Leng
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xiv Acknowledgments I feel like I s
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C H A P T E R 1 ■ ■ ■ Introdu
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CHAPTER 1 ■ INTRODUCING JQUERY Th
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SETTING UP A LOCAL TESTING ENVIRONM
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google.load("jquery", "1.4.2");
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Basic Selectors CHAPTER 1 ■ INTRO
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Only one paragraph in our document
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$(".foo+p"); CHAPTER 1 ■ INTRODUC
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$("p:odd"); [ p.foo, p#bar ] Select
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$("p:parent"); [ p, p.foo, p, p#bar
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which returns the following in the
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Selecting Only Enabled or Disabled
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26 CHAPTER 2 ■ COMMON JQUERY ACTI
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Page 103 and 104: C H A P T E R 3 ■ ■ ■ Object-
Page 105 and 106: $obj = new MyClass; var_dump($obj);
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Page 125 and 126: } public function __construct() { e
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Page 139 and 140: # # DocumentRoot: The directory out
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Page 143 and 144: } ?> } } } CHAPTER 4 ■ BUILD AN E
Page 145 and 146: ■ Note For the sake of brevity, D
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Page 149 and 150: } ?> } include_once $filename; CHAP
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164 CHAPTER 4 ■ BUILD AN EVENTS C
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166 CHAPTER 4 ■ BUILD AN EVENTS C
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168 CHAPTER 5 ■ ADD CONTROLS TO C
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200 CHAPTER 6 ■ PASSWORD PROTECTI
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P A R T 3 ■ ■ ■ Combining jQu
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236 CHAPTER 7 ■ ENHANCING THE USE
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264 CHAPTER 8 ■ EDITING THE CALEN
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P A R T 4 ■ ■ ■ Advancing jQu
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312 CHAPTER 9 ■ PERFORMING FORM V
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C H A P T E R 10 ■ ■ ■ Extend
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$.validDate = function(date, option
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Modifying the Initialization Script
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Adding Methods to jQuery CHAPTER 10
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over, then returns it to its origin
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CHAPTER 10■ EXTENDING JQUERY ■
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Defines default values for the plug
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}); // Loads the event data from th
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■ ■ ■ Index ■ Special Chara
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■ C Calendar app JavaScript initi
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saving new calendar events in addin
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:eq( ) method, 17, 20, 26-27 equals
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eginning of string, 324 character c
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asic selectors in by class name, 12
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.die( ) method, 75-76 .error( ) met
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.parents( ) method, 33 .parentsUnti
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overview, 328 regex pattern to vali
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