AJAX and PHP

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checkCache() function, AJAX Suggest and Autocomplete, 185 database server, 12 database tables, creating, 101 checkForChanges() function, AJAX Suggest and Autocomplete, 186 DELETE command, MySQL, 104 deleteMessages() function, AJAX chat, 162, 163 checkUsername() function, AJAX chat, 161 deselectAll() function, AJAX Suggest and class members, 110 Autocomplete, 185 classes, OOP, 109 destructors, OOP, 110 clearInterval() function, 91 display_errors option, php.ini, 77, 90 Client URL Library (CURL), 86 displayError() function, AJAX chat, 162 client-side technologies, 11 displayMessage() function, AJAX chat, 162 client-side validation, 122 displayMessages() function, AJAX chat, 162 code structure, PHP, 109 displayResults() function, AJAX Suggest and complete AJAX application, standard Autocomplete, 185 structure. See Friendly AJAX application div element, 34 connecting to remote servers. See remote servers, connecting to constructors, OOP, 110 DML commands, MySQL, 104 Document Object Model about, 15, 30 createPointInfo() function, realTimeChart.js, 201 client-side uses, 30 createTextRange() function, AJAX Suggest server-side uses, 30 and Autocomplete, 187 document structure, RSS, 224 createXmlHttpRequestObject() function, 43, 45 document.write command, 31 createXmlHttpRequestObject() function, quickstart.js, 25 DOM, 15, 30 DOM functions, PHP, 66 creating database tables, MySQL, 101 DOMDocument class, PHP DOM, 70 creating XML structures, 63 drag and drop CRssReader class, rss_reader.php, 235 AJAX sortable list application, 238 CSS, 39 shopping carts, 237 CSS and JavaScript sortable lists, 238 csstest.html, 39 DROP command, MySQL, 102 csstest.js, 40 styles.css, 40, 41 CURL, 86 E Emacs editor, 165 D encodeURIComponent() function, JavaScript, 141, 162 data access, remote server, 85 error handling data grid about, 59 config.php, 209 Firefox JavaScript console, 60 error_handler.php, 209 Internet Explorer, 61 grid.class.php, 207 Opera, 61 grid.css, 216 PHP, 71, 75 grid.js, 211, 219 try/catch mechanism, 60 grid.php, 206, 218 errors, PHP5, 75 grid.xsl, 210, 219 escape() function, AJAX Suggest and index.html, 210 Autocomplete, 185 Data Manipulation Language (DML), 104 Even More DOM application data manipulation, MySQL, 104 evenmorejsdom.html, 37 data type, MySQL, 102 evenmorejsdom.js, 38 database connection, 105 database preparation, AJAX, 264 database security, 105 event object, AJAX Suggest and Autocomplete, 186 events, JavaScript, 33 268 www.it-ebooks.info
exception handling, JavaScript, 43 Google Reader, 224 exceptions, throwing, 59 Google Suggest, 15, 166 Extensible Stylesheet Language (XSL), 203 grid. See data grid Extensible Stylesheet Language Transformation (XSLT), 203 F handleCheckingAvailability() function, 98 handleGettingColor() function, AJAX chat, 161 fetch_array() method, MySQL, 109 handleGettingNumber() function, 99 FIFO structure, message queue, 125 handleGettingResults() method, file_get_contents() function, 85, 90, 99 ajaxRequest.js, 201 Firefox JavaScript console, error handling, 60 handleGettingSuggestions() function, AJAX form validation, 121 Suggest and Autocomplete, 185 form validation with AJAX handleKey() function, AJAX chat, 162 allok.php, 130 handleKeyUp() function, AJAX Suggest and config.php, 133 Autocomplete, 186 create table, 126 handleOnMouseOut() function, AJAX Suggest error_handler.php, 133 and Autocomplete, 185 index.php, 128, 139 handleOnMouseOver() function, AJAX index_top.php, 127, 139 Suggest and Autocomplete, 185 populate table, 126 handleReceivingMessages() function, AJAX validate.class.php, 134, 143 chat, 162 validate.css, 126 handleRequestStateChange() function, 54 validate.js, 131, 140 handleRequestStateChange()method, 49 validate.php, 134 handleResults() function, realTimeChart.js, 202 framework, repetitive asynchronous requests, 91 handleServerResponse() function, books.js, 58 Friendly AJAX application handleServerResponse() function, about, 109 quickstart.js, 25, 27 config.php, 111, 117 hideSuggestions() function, AJAX Suggest and, error_handler.php, 111, 117 friendly.class.php, 111, 116, 119 HTML, 10 friendly.css, 110, 113 HTTP, 10 friendly.js, 110, 113, 118 HTTPS, 11 friendly.php, 111, 115, 118 HyperText Markup Language, 10 index.html, 110, 112 G I imagecreatefrompng() function, AJAX chat, 163 GD library, 147 indexes, MySQL, 102 getAllResponseHeaders() method, XMLHttpRequest, 47 init() function, AJAX chat, 162 init() function, realTimeChart.js, 201 getColor() function , AJAX chat, 161 innerHTML property, DOM, 36 getFormattedXML() function, 235 input data validation, 121 getMouseXY() function, AJAX chat, 161 INSERT command, MySQL, 104 getResponseHeader() method, installation, Unix XMLHttpRequest, 47 Apache, 261 getSuggestions() function, AJAX Suggest and MySQL, 261 Autocomplete, 185 PHP, 262 GMail, 15 installation, Windows, 256 GNU Emacs editor, 165 Apache, 256 Google Maps, 15 H 185 269 www.it-ebooks.info
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www.it-ebooks.info
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AJAX and PHP Building Responsive We
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About the Authors Cristian Darie is
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About the Reviewers Emilian Balanes
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Table of Contents Preface 1 Chapter
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Table of Contents Chapter 6: AJAX S
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Preface AJAX is a complex phenomeno
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Preface What You Need for This Book
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Preface Errata Although we have tak
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1 AJAX and the Future of Web Applic
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Chapter 1 Because end-user satisfac
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Chapter 1 Three points for you to k
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Chapter 1 With JavaScript, develope
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interrupting the user from his or h
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• Creating simple online chat sol
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Chapter 1 done typing. (This method
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Chapter 1 All exercises from this b
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etrieve the user name $name = $_GET
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Chapter 1 If you're curious to test
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Chapter 1 request. In our case, thi
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2 Client-Side Techniques with Smart
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AJAX Foundations: JavaScript and
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Chapter 2 • Because there is no s
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Time for Action—Using JavaScript
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Even More DOM In the previous exerc
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Chapter 2 What Just Happened? Well,
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Chapter 2 font-size: 10pt; } .Table
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Chapter 2 Creating the XMLHttpReque
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Chapter 2 You could, for example, c
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You will learn the most interesting
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Chapter 2 The safer version of proc
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Chapter 2 4. Create a file call
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Chapter 2 Figure 2.6: The Four HTTP
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Chapter 2 } } else { // display sta
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Chapter 2 } { // try to create XMLH
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Chapter 2 The responseXML method of
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Chapter 2 Figure 2.10: Opera Displa
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I admit that the following piece of
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3 Server-Side Techniques with PHP a
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Chapter 3 } for (var i=0; i
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Chapter 3 // create the element $b
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Chapter 3 // create the root eleme
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Chapter 3 // read a file from the s
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Chapter 3 Figure 3.3: PHP Parameter
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Chapter 3 Without the customized er
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} } // display the error in case of
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Chapter 3 Figure 3.7: Connecting to
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Chapter 3 } } // continue only if H
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Chapter 3 You can make Firefox list
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Chapter 3 } "MSXML2.XMLHTTP.4.0", "
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'TEXT: ' . $errStr . chr(10) . 'LOC
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etrieve the parameters $num = 1; //
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Chapter 3 Figure 3.16: Flowchart De
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} Chapter 3 // only continue if xml
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} throw(response.length == 0 ? "Ser
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function process() { // ... if (req
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Chapter 3 Working with MySQL A back
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Chapter 3 Figure 3.17: Executing SQ
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Chapter 3 SELECT user_id, user_name
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3. In your foundations folder, crea
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Chapter 3 After these commands exec
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Chapter 3 • friendly.php is a PHP
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This example requires a JavaSc
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} } // try to connect to the server
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Chapter 3 } // create HTML-formatte
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Chapter 3 On the server side, all t
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4 AJAX Form Validation Validating i
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Chapter 4 Always validate user inpu
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Chapter 4 Figure 4.4: Successful Su
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Chapter 4 .left { margin-left: 150p
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Chapter 4 value="" />
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Registration Successfull! <<
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Chapter 4 } } { // display error me
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Chapter 4 require_once ('config.php
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Chapter 4 } { } $_POST['txtBthDay']
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Chapter 4 } } ?> return ($value ==
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Chapter 4 The field ID and value re
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Chapter 4 If we are dealing with cl
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5 AJAX Chat We are living in a worl
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Chapter 5 Implementing AJAX Chat We
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Chapter 5 // default the last id to
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} Chapter 5 ' DATE_FORMAT(posted_on
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Chapter 5 AJAX Chat Your b
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* function called when the Send but
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} } // retrieve the arrays from the
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Chapter 5 } } } // call server asyn
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Chapter 5 If you analyze the code f
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The business logic behind chat.php
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6 AJAX Suggest and Autocomplete Sug
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Chapter 6 The clever part of the Ja
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Chapter 6 6. Create another file na
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Chapter 6 { } a { } font-weight: bo
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Chapter 6 } { // try to create XMLH
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Chapter 6 } } } } { } displayError(
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Chapter 6 div += "" + "" + crtFunct
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} } // select the new suggestion an
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Chapter 6 } } else // FF if (oText.
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Chapter 6 Figure 6.4: PHP Documenta
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Chapter 6 We have talked about cach
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Chapter 6 visible, we need to scrol
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7 AJAX Real-Time Charting with SVG
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Chapter 7 Figure 7.1: SVG Chart The
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Chapter 7 Figure 7.2: SVG Charting
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Chapter 7 } { xmlHttp.onreadystatec
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} } // sets the X and Y attributes
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Chapter 7 } // Supported by Mozilla
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Chapter 7 • All HTTP requests go
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8 AJAX Grid Data grids have always
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Chapter 8 Figure 8.2: AJAX Grid in
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$name = $_GET['name']; // update th
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} Chapter 8 if (!isset($_SESSION['r
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Chapter 8 # editId(, true) Edit
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Chapter 8 } // this should work for
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} Chapter 8 if(editableId) editId(e
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Page 231 and 232: Chapter 8 On the client, this data
Page 233 and 234: Chapter 8 save() and undo() are hel
Page 235 and 236: 9 AJAX RSS Reader In the last few y
Page 237 and 238: Chapter 9 Figure 9.1: Managing RSS
Page 239 and 240: header('Pragma: no-cache'); header(
Page 241 and 242: Chapter 9 Loading feed... Abou
Page 243 and 244: Chapter 9 } // continue if the proc
Page 245 and 246: Chapter 9 } width: 410px; backgroun
Page 247 and 248: And finally, we send the HTTP reque
Page 249 and 250: 10 AJAX Drag and Drop When drag-and
Page 251 and 252: Chapter 10 The Prototype features a
Page 253 and 254: Chapter 10 When dropping a task on
Page 255 and 256: Chapter 10 DROP HERE TO DELETE
Page 257 and 258: header('Expires: Fri, 25 Dec 1980 0
Page 259 and 260: Chapter 10 } } } else if (action ==
Page 261 and 262: Chapter 10 11. Load http://localhos
Page 263 and 264: details are saved using a cache sys
Page 265 and 266: Chapter 10 Summary This is it! You'
Page 267 and 268: A Preparing Your Working Environmen
Page 269 and 270: Appendix A During installation you'
Page 271 and 272: Before going through any case studi
Page 273 and 274: Appendix A Preparing Your *nix Play
Page 275 and 276: 8. Finally, point your web browser
Page 277 and 278: 2. Write ajax in the Create a new d
Page 279: Index A abort() method, XMLHttpRequ
Page 283 and 284: PHP Parameters and Error Handling r
Page 285 and 286: updateChart() function, realTimeCha
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