AJAX and PHP

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PHP Parameters and Error Handlingrealtime SVG chartingerror_handler.php, 74, 75, 76, 77 ajaxrequest.js, 194, 200morephp.html, 72 chart.svg, 194, 200morephp.js, 72 index.html, 193, 200morephp.php, 74 realTimeChart.js, 201PHP5 errors, 75RealTimeChart.js, 195phpMyAdminsvg_chart.php, 199creating tables, 103refreshXYIndexes() function,installation, 263realTimeChart.js, 201placeholders, 33Relational Database Management Systems,postMessages() function, AJAX chat, 163101prediction, user input, 165remote servers, connecting topreparing database, AJAX, 264about, 79primary key, MySQL, 101Firefox, 83private class members, 110Internet Explorer, 83process() function, quickstart.js, 23, 26Opera, 84Prototype JavaScript framework, 238ping.html, 81proxy PHP script, 85ping.js, 81proxy server script, 85removePointInfo() function, realTimeChart.js,proxy server script for remote access201error_handler.php, 88 repetitive asynchronous requests, 91proxyping.html, 86repetitive tasks implementationproxyping.js, 86 error_handler.php, 97proxyping.php, 88 smartproxyping.html, 93public interface, classes, 110smartproxyping.js, 94, 98public members, classes, 110smartproxyping.php, 97requestNewMessages() function, AJAX chat,Q162responseText() method, XMLHttpRequest, 47queue, 125responseXML() method, XMLHttpRequest, 47Quickstart AJAX applicationretrieveNewMessages() function, AJAX chat, 163index.html, 21RSS, 223quickstart.js, 21, 23RSS Reader applicationquickstart.php, 22config.php, 228quickstart application, AJAX, 18error_handler.php, 227index.php, 228, 233Rrss_reader.class.php, 227rss_reader.css, 231rss_reader.js, 229, 234random numbers, retrieving, 93rss_reader.php, 226, 235RDBMS, 101rss_reader.xsl, 227, 235reading data, remote server, 85readMessages() function, AJAX chat, 162readyState() method, XMLHttpRequest, 47 SReally Simple Syndication (RSS)about, 223save() function, 221document structure, 224saveXML() function, 71Google Reader, 224Scalable Vector Graphics (SVG), 189RSS reader application, 226script element, embedding Java code, 30realtime charting with AJAX, 190script.aculo.us, 237, 238271
security, browsers, 80drag-and-drop.css, 248security, JavaScript, 79drag-and-drop.js, 245SELECT command, MySQL, 104drag-and-drop.php, 244, 252selectRange() function, AJAX Suggest anderror_handler.php, 242Autocomplete, 187 index.php, 242, 249semicolon separator, MySQL commands, 104script.aculo.us library, 242send() method, XMLHttpRequest, 47taskslist.class.php, 243, 252sendMessage() function, AJAX chat, 162TextRange object, AJAX Suggest andserver requests, initiating, 46Autocomplete, 187server response, asynchronous requests, 49 thick client, 8server script, proxy, 85 thin client, 8servers, remote, 79 thread-safe AJAX, 125server-side form validation, 121Time for Actionserver-side technologies, 11advanced DOM, 37setFocus() function, JavaScript, 139AJAX drag and drop, 241setInterval() function, 91AJAX Grid, 205setRequestHeader() method,AJAX Suggest and Autocomplete, 168XMLHttpRequest, 47 asynchronous calls with XMLHttpRequest, 50setSelectionRange() function, AJAX Suggestasynchronous Calls with XMLHttpRequest, 55and Autocomplete, 187 chat application with AJAX, 148SetStyle() method, 41setTimeout() function, 27, 91simple application, AJAX, 18SimpleXML API, 71complete AJAX application, XE "Time forAction:Friendly AJAX application"standard structure, 112connecting to mySQL database, 106software usability, 8connecting to remote servers, 81sortable lists, drag and drop, 238CSS and JavaScript, 39standardization, web applications, 9form validation, 126startup() function, drag and drop application,Friendly AJAX application, 112249 JavaScript and DOM, 32Status() method, XMLHttpRequest, 47JavaScript events and DOM, 35statusText() method, XMLHttpRequest, 47PHP and MySQL, 106string variables, JavaScript, 36PHP parameters and error handling, 72Suggest, 165proxy server script, 86Suggest and Autocomplete, AJAXQuickstart AJAX application, 21config.php, 168 realtime SVG chart, 193error handling, 187 repetitive tasks, 93error_handler.php, 168 RSS Reader application, 226index.html, 170, 183 task management application, 241suggest.class.php, 169, 188 XML structures with PHP, 66suggest.css, 170 transformation, XSL, 203suggest.js, 172, 184 TRUNCATE TABLE command, MySQL, 102suggest.php, 169, 187 try/catch construct, JavaScript, 43SVG, 189 try/catch mechanism, error handling, 60, 90syndication, web, 223TUul element, 34ta-da lists, drag and drop, 238undo() function, 221task management applicationunobtrusive validation, 139config.php, 241 UPDATE command, MySQL, 104272
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AJAX and PHPBuilding Responsive Web
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CreditsAuthorsCristian DarieBrinzar
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Filip Cherecheş-Toşa is a web dev
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Table of ContentsPreface 1Chapter 1
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Table of ContentsPreparing Your *ni
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PrefaceWhat This Book CoversChapter
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PrefaceAny command-line input and o
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O}EN PORTADAEl aborto...más allá
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Chapter 1Because end-user satisfact
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Chapter 1Three points for you to ke
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Chapter 1With JavaScript, developer
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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 1done typing. (This method
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Chapter 1All exercises from this bo
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etrieve the user name$name = $_GET[
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Chapter 1If you're curious to test
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AJAX and the Future of Web Applicat
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Client-Side Techniques with Smarter
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Chapter 2font-size: 10pt;}.TableCon
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Chapter 2Creating the XMLHttpReques
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Chapter 2You could, for example, ch
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You will learn the most interesting
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Chapter 2The safer version of proce
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Chapter 24. Create a file called as
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Chapter 2Figure 2.6: The Four HTTP
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Chapter 2}}else{// display status m
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Chapter 2}{// try to create XMLHttp
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Chapter 2The responseXML method of
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Chapter 2Figure 2.10: Opera Display
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I admit that the following piece of
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3Server-Side Techniqueswith PHP and
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Chapter 3}for (var i=0; i
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Chapter 3// create the element$boo
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Chapter 3// create the root elemen
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Chapter 3// read a file from the se
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Chapter 3Figure 3.3: PHP Parameters
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Chapter 3Without the customized err
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}}// display the error in case of f
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Chapter 3Figure 3.7: Connecting to
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Chapter 3}}// continue only if HTTP
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Chapter 3You can make Firefox liste
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Chapter 3}"MSXML2.XMLHTTP.4.0","MSX
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'TEXT: ' . $errStr . chr(10) .'LOCA
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etrieve the parameters$num = 1; //
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Chapter 3Figure 3.16: Flowchart Des
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}Chapter 3// only continue if xmlHt
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}throw(response.length == 0 ? "Serv
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function process(){// ...if (reques
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Chapter 3Working with MySQLA back-e
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Chapter 3Figure 3.17: Executing SQL
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Chapter 3SELECT user_id, user_name
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3. In your foundations folder, crea
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Chapter 3After these commands execu
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Chapter 3• friendly.php is a PHP
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This example requires a JavaScript-
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}}// try to connect to the servertr
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Chapter 3}// create HTML-formatted
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Chapter 3On the server side, all th
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AJAX Form ValidationThe code in thi
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AJAX Form ValidationFigure 4.2: The
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AJAX Form ValidationNote that deali
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AJAX Form Validation"3" => "March",
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AJAX Form Validationclass="">Please
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AJAX Form Validation}}alert("Error
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AJAX Form Validation// output the e
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AJAX Form Validationbreak;}}// Chec
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AJAX Form Validationprivate functio
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AJAX Form ValidationThe onblur even
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AJAX Form ValidationAfter this basi
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AJAX Form ValidationSummaryWhile we
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AJAX ChatFigure 5.1: MeeboMeebo off
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AJAX ChatThe messages for the AJAX
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AJAX Chat// destructor closes datab
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AJAX Chat}}?>8. Create another file
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AJAX Chat/* creates an XMLHttpReque
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AJAX Chat}}xmlHttpGetMessages.send(
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AJAX Chatfunction handleKey(e){// g
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AJAX Chat12. After having talked ab
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AJAX ChatOn pressing the Send butto
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AJAX ChatSummaryAt the beginning of
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AJAX Suggest and AutocompleteIt's a
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AJAX Suggest and AutocompleteTime f
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AJAX Suggest and Autocomplete170'FR
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AJAX Suggest and Autocomplete10. Cr
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AJAX Suggest and Autocomplete}if(ca
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AJAX Suggest and Autocomplete}if(re
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AJAX Suggest and Autocomplete}var k
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AJAX Suggest and AutocompletecrtLin
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AJAX Suggest and AutocompleteFigure
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AJAX Suggest and Autocompletewant c
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AJAX Suggest and AutocompleteNext,
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AJAX Suggest and Autocompletein sug
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AJAX Real-Time Charting with SVGFor
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AJAX Real-Time Charting with SVG0.0
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AJAX Real-Time Charting with SVG3.
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AJAX Real-Time Charting with SVG//
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AJAX Real-Time Charting with SVG//
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AJAX Real-Time Charting with SVGcoo
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AJAX Real-Time Charting with SVG•
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AJAX GridImplementing the AJAX Grid
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AJAX GridCREATE TABLE product(produ
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AJAX Grid}// execute the queryif ($
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AJAX Grid// clear any output that h
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AJAX Grid212// the id of the grid d
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AJAX Grid// handle receiving the se
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AJAX Grid// handle receiving a resp
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AJAX GridAs usual on the server, we
Page 230 and 231: AJAX Grid220}{}stylesheetDoc = crea
Page 233 and 234: 9AJAX RSS ReaderIn the last few yea
Page 235 and 236: Chapter 9Figure 9.1: Managing RSS S
Page 237 and 238: header('Pragma: no-cache');header('
Page 239 and 240: Chapter 9Loading feed...About the A
Page 241 and 242: Chapter 9}// continue if the proces
Page 243 and 244: Chapter 9}width: 410px;background-c
Page 245 and 246: And finally, we send the HTTP reque
Page 247 and 248: 10AJAX Drag and DropWhen drag-and-d
Page 249 and 250: Chapter 10The Prototype features ar
Page 251 and 252: Chapter 10When dropping a task on t
Page 253 and 254: Chapter 10DROP HERE TO DELETE7. Cre
Page 255 and 256: header('Expires: Fri, 25 Dec 1980 0
Page 257 and 258: Chapter 10}}}else if (action =="del
Page 259 and 260: Chapter 1011. Load http://localhost
Page 261 and 262: details are saved using a cache sys
Page 263: Chapter 10SummaryThis is it! You've
Page 266 and 267: Preparing Your Working EnvironmentT
Page 268 and 269: Preparing Your Working EnvironmentA
Page 270 and 271: Preparing Your Working Environment1
Page 272 and 273: Preparing Your Working EnvironmentA
Page 274 and 275: Preparing Your Working Environment6
Page 276 and 277: IndexAabort() method, XMLHttpReques
Page 278 and 279: exception handling, JavaScript, 43
Page 282: updateChart() function, realTimeCha
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