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Web Dev @ Microsoft SEO By WooRank Books Courses Screencasts Newsletters Versioning Shop Forums Advertise Contribute Contact php json_last_error Us Our Story 995kSubscribers 132kFollowers 80kFollowers JavaScript Article Ajax/jQuery.getJSON Simple Example By php json_error_utf8 Florian Rappl February 18, 2016 In this article we'll investigate the importance of JSON and why we should use json_encode error 5 it in our applications. We'll see that jQuery has got us covered with a very nice convenience function. What is JSON? More from this author Hands-on Functional Programming with Ramda.jsIntroduction
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to Functional Reactive Programming with RxJS JSON stands for JavaScript Object Notation. In simple terms JSON is a way of formatting data for, e.g., transmitting it over a network. In this article we will look at loading JSON data using an HTTP GET request (we can also use other verbs, such as POST). Why would we choose JSON over say XML? The call to undefined function json_last_error_msg() key advantage of using JSON is efficiency. JSON is less verbose and cluttered, resulting in fewer bytes and a faster parse process. This allows us to process more messages sent as JSON than as XML. Moreover, JSON has a very efficient and natural object representation leading to formats such as BSON, where JSON-like objects are stored in a binary format. Now let's see how jQuery can help us load JSON-encoded data from a remote source. For the impatient among you, there's a demo towards the end of the article. JSON jQuery Syntax The $.getJSON() method is a handy helper for working with JSON directly if you don't require much extra configuration. Essentially, it boils down to the more general $.ajax() helper, with the right options being used implicitly. The method signature is: $.getJSON(url, data, success); Besides the required URL parameter we can pass in two optional parameters. One represents the data to send to the server, the other one a callback to trigger in case of a successful response. So the three parameters correspond to: The url parameter is a string c
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is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Jquery getJSON php array to javascript up vote -1 down vote favorite https://www.sitepoint.com/ajaxjquery-getjson-simple-example/ 1 I am testing the getJSON with php array, but it is not working, can anyone check for me ? I feel the problem is from the php code because when i test the html code with getJSON url https://graph.facebook.com/zombies, it is working. In my array.php "Tim", "age" => "28" ); echo json_encode($arr); ?> In my test.html :
php javascript jquery getjson share|improve this question asked Nov 24 '12 at 9:27 jc_tan 1519 1 Try the content type application/json –rekire Nov 24 '12 at 9:30 it still no working –jc_tan Nov 24 '12 at 9:33 ok i have solve my problem, in php : echo $_GET["callback"] . "(" . json_encode($arr) . ")"; in html : $.getJSON('array.php?callback=?', function(data) so the cross server can be done –jc_tan Nov 24 '12 at 10:12 add a comment| 3 Answers 3 active oldest votes up vote 1 down vote accepted header("Content-type: text/javascript"); You're telling the browser you're sending it JavaScript, when what you're sending it is JSON. The content type for JSON is application/json. If you fix that, it should work, provided you're not running afoul of the Same Origin Policy. If you're making a cross-domain request, your options are: Don't use ajax and JSON, use JSON-P. Use CORS, but it requires that the server allow your document's origin, and that the browser supports it (most modern ones do, older ones don't). Use YQL as a cross-domain proxy. share|improve this anshere for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more http://stackoverflow.com/questions/11516962/how-to-get-json-from-php-to-js about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping http://www.thecave.info/pass-a-php-array-to-javascript-as-json-using-ajax-and-json_encode/ each other. Join them; it only takes a minute: Sign up How to get JSON from PHP to JS? up vote 2 down vote favorite I have really been searching for almost 2 hours and have yet to find error 5 a good example on how to pass JSON data from PHP to JS. I have a JSON encoding script in PHP that echoes out a JSON script that looks more or less like this (pseudocode). { "1": [ {"id":"2","type":"1","description":"Foo","options:[ {"opt_id":"1","opt_desc":"Bar"}, {"opt_id":"2","opt_desc":"Lorem"}], {"id":"3","type":"3","description":"Ipsum","options:[ ... "6": {"id":"14","type":"1","description":"Test","options:[ ... etc Problem is, how can I get this data with JavaScript? My goal is to make a .js script that generates a poll based on these JSON datas, but I honest getjson php error to god can't find any examples on how to do this. Guessing it is some something like: Obj jsonData = new Object(); jsonData = $.getJson('url',data,function()){ enter code here } Any links to any good examples or similar would be highly appreciated. And I thought that encoding the data in PHP was the tricky part... EDIT: I got this code snippet to work, so I can review my whole JSON data in JS. But now I can't seem to figure out how to get to the inner data. It does print out the stage number (1-6) but I can't figure out how to get the question data, and then again the options data within each question. Do I have to experiment with nested each loops? $(document).ready(function() { $('#show-results').click(function() { $.post('JSAAN.php', function(data) { var pushedData = jQuery.parseJSON(data); $.each(pushedData, function(i, serverData) { alert(i); }) }) }) }); The idea here is to get into the question information in the middle level and print out the qusetion description, then based on the question type - loop through the options (if any) to create checkbox/radiobutton-groups before going on to the next question. The first number represents which stage of the multi stage poll I am currently working on. My plan is to divide it into 6 stages by hiding/showing various divs until the last page where the form is submitted through Ajax. javascript jso
Darian Brown on Aug 12, 2014~ last edited Aug 19, 2014 22 Comments OverviewYou will mostly likely (or already have) reached a point where you have a PHP array and you need to be able to access that array from inside a Javascript function. You may wonder if it is possible to pass an array from PHP to Javascript. Fortunately I have created a tutorial on how this can be achieved. Below I will show you how to Pass a PHP Array to Javascript as JSON using AJAX. There are two parts to accomplish this task.Creating The PHP ArrayFirstly you need a PHP script which has the PHP array you want to pass back to Javascript. You encode the array into a JSON string using the PHP function `json_encode()`. We then echo the string into the PHP file to make it accessible to the AJAX function calling this script.Call The PHP Script That Contains The PHP ArraySecondly we create an HTML which will contain the AJAX function to call the PHP script. We will use the jQuery `$.getJSON` function which converts the output from the PHP function ‘json_encode()' into a JSON object. Once we have the JSON object, we can loop through it and use it as we require. We don't really need to convert the JSON array to javascript array since we use jQuery's ‘$.each()' function to loop through the JSON array that is returned.Pass a PHP Array to Javascript as JSON using AJAXBelow is the code that is to be placed into the PHP script. This file will be called by the jQuery `$.getJSON` function. "Darian", "last_name" => "Brown", "age" => "28", "email" => "darianbr@example.com" ), array( "first_name" => "John", "last_name" => "Doe", "age" => "47", "email" => "john_doe@example.com" ) ); /* encode the array as json. this will output [{"first_name":"Darian","last_name":"Brown","age":"28","email":"darianbr@example.com"},{"first_name":"John","last_name":"Doe","age":"47","email":"john_doe@example.com"}] */ echo json_encode($arr); ?>Javascript / HTML Code SnippetPlace this code into a file with the extension `.html`. The below code will call the above PHP script using AJAX and the jQuery function `$.getJSON`. The PHP script will have the PHP ar