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

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90 CHAPTER 3 ■ OBJECT-ORIENTED PROGRAMMING class MyClass { public $prop1 = "I'm a class property!"; } $obj = new MyClass; echo $obj->prop1; ?> Reloading your browser now outputs the following: I'm a class property! Defining Class Methods Methods are class-specific functions. Individual actions that an object will be able to perform are defined within the class as methods. For instance, to create methods that would set and get the value of the class property $prop1, add the following bold lines to your code:
CHAPTER 3 ■ OBJECT-ORIENTED PROGRAMMING ■ Note OOP allows objects to reference themselves using $this. When working within a method, use $this in the same way you would use the object name outside the class. To use these methods, call them just like regular functions, but first, reference the object to which they belong. Read the property from MyClass, change its value, and read it out again by making the modifications shown in bold:
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THE EXPERT’S VOICE ® IN OPEN SOU
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ii Pro PHP and jQuery Copyright ©
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iv Contents at a Glance ■About th
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vi ■ CONTENTS Understanding jQuer
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viii ■ CONTENTS Summary .........
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x ■ CONTENTS ■Chapter 9: Perfor
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xii About the Author ■ Jason Leng
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xiv Acknowledgments I feel like I s
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C H A P T E R 1 ■ ■ ■ Introdu
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CHAPTER 1 ■ INTRODUCING JQUERY Th
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SETTING UP A LOCAL TESTING ENVIRONM
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google.load("jquery", "1.4.2");
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Basic Selectors CHAPTER 1 ■ INTRO
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Only one paragraph in our document
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$(".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: $obj = new MyClass; var_dump($obj);
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Page 111 and 112: $obj = new MyClass; // Get the valu
Page 113 and 114: } public function setProperty($newv
Page 117 and 118: } } return $this->getProperty(); pu
Page 119 and 120: Create a new object $newobj = new M
Page 121 and 122: } } // Create a new object $newobj
Page 123 and 124: Private Properties and Methods CHAP
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Page 129 and 130: Ease of Implementation CHAPTER 3
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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
Page 147 and 148: } ?> CHAPTER 4 ■ BUILD AN EVENTS
Page 149 and 150: } ?> } include_once $filename; CHAP
Page 151 and 152: private $_startDay; public function
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140 CHAPTER 4 ■ BUILD AN EVENTS C
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168 CHAPTER 5 ■ ADD CONTROLS TO C
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200 CHAPTER 6 ■ PASSWORD PROTECTI
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P A R T 3 ■ ■ ■ Combining jQu
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236 CHAPTER 7 ■ ENHANCING THE USE
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264 CHAPTER 8 ■ EDITING THE CALEN
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P A R T 4 ■ ■ ■ Advancing jQu
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312 CHAPTER 9 ■ PERFORMING FORM V
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C H A P T E R 10 ■ ■ ■ Extend
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$.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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