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POHow to get JSON from PHP to JS?
 

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  1. POHow to get JSON from PHP to JS?
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    <p>I have really been searching for almost 2 hours and have yet to find 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).</p> <pre><code>{ "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 </code></pre> <p>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 to god can't find any examples on how to do this. Guessing it is some something like:</p> <pre><code>Obj jsonData = new Object(); jsonData = $.getJson('url',data,function()){ enter code here } </code></pre> <p>Any links to any good examples or similar would be highly appreciated. And I thought that encoding the data in PHP was the tricky part...</p> <p><strong>EDIT:</strong></p> <p>I got this code snippet to work, so I can review my whole JSON data in JS. But now I can't seem to figure out how to get to the inner data. It does print out the stage number (1-6) but I can't figure out how to get the question data, and then again the options data within each question. Do I have to experiment with nested each loops?</p> <pre><code>$(document).ready(function() { $('#show-results').click(function() { $.post('JSAAN.php', function(data) { var pushedData = jQuery.parseJSON(data); $.each(pushedData, function(i, serverData) { alert(i); }) }) }) }); </code></pre> <p>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.</p>
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