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

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170 CHAPTER 5 ■ ADD CONTROLS TO CREATE, EDIT, AND DELETE EVENTS This token is created by generating a random hash and storing it in the session, and then posting the token along with the form data. If the token in the $_POST superglobal matches the one in the $_SESSION superglobal, then it’s a reasonably sure bet that the submission is legitimate. You add an anti-CSRF token into your application by modifying the initialization file with the code shown in bold:
} ?> CHAPTER 5 ■ ADD CONTROLS TO CREATE, EDIT, AND DELETE EVENTS ■ Caution You may want to include a time limit for tokens to increase security further. Making sure a token is no older than 20 minutes, for instance, helps prevent a user from leaving a computer unattended and having a mischievous user start poking around later. For more information on tokens and preventing CSRF, visit Chris Shiflett’s blog and read his article on the topic at http://shiflett.org/csrf. Creating a File to Display the Form Now that the method exists to display the form, you need to create a file that will call that method. This file will be called admin.php, and it will reside in the root level of the public folder (/public/admin.php). Similar to view.php, this file accomplishes the following:
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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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C H A P T E R 3 ■ ■ ■ Object-
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$obj = new MyClass; var_dump($obj);
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CHAPTER 3 ■ OBJECT-ORIENTED PROGR
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$obj = new MyClass; // Get the valu
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} public function setProperty($newv
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} } return $this->getProperty(); pu
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Create a new object $newobj = new M
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} } // Create a new object $newobj
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Private Properties and Methods CHAP
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} public function __construct() { e
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*/ CHAPTER 3 ■ OBJECT-ORIENTED PR
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Ease of Implementation CHAPTER 3
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Page 135 and 136: C H A P T E R 4 ■ ■ ■ Build a
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220 CHAPTER 6 ■ PASSWORD PROTECTI
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P A R T 3 ■ ■ ■ Combining jQu
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236 CHAPTER 7 ■ ENHANCING THE USE
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264 CHAPTER 8 ■ EDITING THE CALEN
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P A R T 4 ■ ■ ■ Advancing jQu
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312 CHAPTER 9 ■ PERFORMING FORM V
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C H A P T E R 10 ■ ■ ■ Extend
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$.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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