Ecommerce Shopify WordPress Discussion

Get variable from PHP file using JQuery/AJAX

This is my first post here and I hope that someone will be able to help me. For the past week I have been working on a project of mine. Apparently, I have stuck with the last part. So basically, I have an AJAX chat and when I submit a line I send (using a Post method) the whole line to be analyzed (to a file named analysis.php). The chat line is being analyzed and find the variable I needed by doing queries on a MySql Database. All I need now, is to have this variable taken with JQuery-AJAX and put it on a div in my html file(so it can be displayed on the right-left-whatever of the chat). Here are my files : analysis.php <?php $advert = $row[adverts]; ?> ajax-chat.html <!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>AJAX Chat</title> <link rel="stylesheet" type="text/css" href="js/jScrollPane/jScrollPane.css" /> <link rel="stylesheet" type="text/css" href="css/page.css" /> <link rel="stylesheet" type="text/css" href="css/chat.css" /> </head> <body> <div id="chatContainer"> <div id="chatTopBar" class="rounded"></div> <div id="chatLineHolder"></div> <div id="chatUsers" class="rounded"></div> <div id="chatBottomBar" class="rounded"> <div class="tip"></div> <form id="loginForm" method="post" action=""> <input id="name" name="name" class="rounded" maxlength="16" /> <input id="email" name="email" class="rounded" /> <input type="submit" class="blueButton" value="Login" /> </form> <form id="submitForm" method="post" action=""> <input id="chatText" name="chatText" class="rounded" maxlength="255" /> <input type="submit" class="blueButton" value="Submit" /> </form> </div> </div> <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script> <script src="js/jScrollPane/jquery.mousewheel.js"></script> <script src="js/jScrollPane/jScrollPane.min.js"></script> <script src="js/script.js"></script> </body> </html> So, I am basically trying to get the $advert from the analysis.php file(after the whole analyze is done) , and by using JQuery/AJAX pass it eventually to the ajax-chat.html file. Any help is really appreciated. I have googled everything but haven't found something to help me. Thanks in advance.
If I understand right, you need to use JSON. Here is a sample. In your PHP write: <?php // filename: myAjaxFile.php // some PHP $advert = array( 'ajax' => 'Hello world!', 'advert' => $row['adverts'], ); echo json_encode($advert); ?> Then, if you are using jQuery, just write: $.ajax({ url : 'myAjaxFile.php', type : 'POST', data : data, dataType : 'json', success : function (result) { alert(result['ajax']); // "Hello world!" alerted console.log(result['advert']) // The value of your php $row['adverts'] will be displayed }, error : function () { alert("error"); } }) And that's all. This is JSON - it's used to send variables, arrays, objects etc between server and user. More info here: http://www.json.org/. :)

December 29, 2023

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