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

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230 CHAPTER 6 ■ PASSWORD PROTECTION SENSITIVE ACTIONS AND AREAS * Make sure an event ID was passed and the user is logged in */ if ( isset($_POST['event_id']) && isset($_SESSION['user']) ) { /* * Collect the event ID from the URL string */ $id = (int) $_POST['event_id']; } else { /* * Send the user to the main page if no ID is supplied * or the user is not logged in */ header("Location: ./"); exit; } /* * Include necessary files */ include_once '../sys/core/init.inc.php'; /* * Load the calendar */ $cal = new Calendar($dbo); $markup = $cal->confirmDelete($id); /* * Output the header */ $page_title = "View Event"; $css_files = array("style.css", "admin.css"); include_once 'assets/common/header.inc.php'; ?>
include_once 'assets/common/footer.inc.php'; ?> CHAPTER 6 ■ PASSWORD PROTECTION SENSITIVE ACTIONS AND AREAS Now save this code and try to directly access http://localhost/confirmdelete.php while logged out. As expected, you’ll be redirected to http://localhost/ instead. Summary In this chapter, you learned how to add user authorization to your calendar app, which means only authorized users can now make modifications to the calendar. You learned how to create the Admin class, check login credentials, display admin tools to admins only, and limit access to admin pages. In the next chapter, you’ll start integrating jQuery into the application to progressively enhance the user experience. 231
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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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C H A P T E R 4 ■ ■ ■ Build a
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CHAPTER 4 ■ BUILD AN EVENTS CALEN
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# # DocumentRoot: The directory out
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CHAPTER 4 ■ BUILD AN EVENTS CALEN
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} ?> } } } CHAPTER 4 ■ BUILD AN E
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■ Note For the sake of brevity, D
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} ?> CHAPTER 4 ■ BUILD AN EVENTS
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} ?> } include_once $filename; CHAP
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private $_startDay; public function
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138 CHAPTER 4 ■ BUILD AN EVENTS C
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168 CHAPTER 5 ■ ADD CONTROLS TO C
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280 CHAPTER 8 ■ EDITING THE CALEN
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P A R T 4 ■ ■ ■ Advancing jQu
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312 CHAPTER 9 ■ PERFORMING FORM V
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C H A P T E R 10 ■ ■ ■ Extend
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$.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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