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POHow to access returned json data of php objects
 

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  1. POHow to access returned json data of php objects
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    <p>I have created a large data structure in php which I send back to a jQuery "post" request. The data arrives in the following format</p> <pre><code>"{\"event\":{\"id\":\"5\",\"title\":\"Test Event\",\"event_ref\":\"TEST\",\"approval\":\"na\",\ </code></pre> <p>The data is sent back as a double quoted string with the double quotes escaped. The url directory markers are also escaped. The above is just a small part of the string which is returned.</p> <ul> <li>If I alert(data) I get the string displayed in the alert box.</li> <li>If I alert(data[0]) I get a " displayed</li> <li>If I alert(data[event]) I get undefined displayed.</li> </ul> <p>Generally, I can not use either dot notation or array notation to access the data. I suspect I need to get rid of the outer enclosing double quotes and un-escape it. The data is an array, some of the items are simple values, some are objects and some are arrays of objects.</p> <p>How do I access the returned data? The structure will allways be the same although some of the objects will often be missing.</p> <p>The js code is:</p> <pre><code>// The login button $("#loginButton").click( function(){ var username = $('input#login-username').val(); var password = $('input#login-passwd').val(); alert("Login button clicked with username/password: "+username+" / "+password); $.post( $_interface, { option: 'login', userID: username, pwd: password }, function(response){ if (response) { // alert("Response = true"); $.post( $_interface, { option: 'superGlobalValues', target: 'session' }, function(data){ alert(data); } ); } else { alert("Response = false"); } } ); } ); </code></pre>
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