Example of how to use JSON.
1. index.php
<html>
<head>
<title>jQuery</title>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function()
{
$("#J_action_getData").click( function()
{
$.post("fileWithData.php", { "getData": "cars" }, function(data)
{
var obj = jQuery.parseJSON(data);
$("#mymsg").html( obj[0] + " " + obj[1] );
});
});
});
</script>
</head>
<body>
<a id="J_action_getData" href="javascript:void(0)" >Show message</a>
<div id="mymsg">
</div>
</body>
</html>
2. fileWithData.php<html>
<head>
<title>j</title>
</head>
<body>
<?php
if($_POST['getData'] == "cars")
{
$cars = array();
$cars[1] = "Mercedes";
$cars[2] = "Audi";
echo json_encode($cars);
}
?>
</body>
</html>
Some details about parse JSON here.Details of encoding and decoding JSON in PHP here.
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