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How to get value from javascript variable qr code scanner on php

Please can some one help me with whis case. I want to get value from variable arg with php to process the data. This is my script

<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <title>Demo</title>
    </head>
    <body>
        <h3>Simple initalization with default settings</h3>
        <hr>
        <canvas></canvas>
        <hr>
        <ul></ul>
        <script type="text/javascript" src="js/jquery.js"></script>
        <script type="text/javascript" src="js/qrcodelib.js"></script>
        <script type="text/javascript" src="js/webcodecamjquery.js"></script>
        <script type="text/javascript">
            var arg = {
                resultFunction: function(result) {
                    $('body').append(result.code);
                }
            };

            $("canvas").WebCodeCamJQuery(arg).data().plugin_WebCodeCamJQuery.play();
        </script>
    </body>
</html>

The value i want is in (result.code). What php code that can make it happen. Thanks

You can hold the result in a variable and pass it to PHP through Ajax request like this

<script type="text/javascript">
var result_data=[];
var arg = {
    resultFunction: function(result) {
        $('body').append(result.code);
        result_data=JSON.parse(result);
    }
};
$("canvas").WebCodeCamJQuery(arg).data().plugin_WebCodeCamJQuery.play();
$.ajax({
      type: "POST",
      url: "someaction.php",
      data: {data:result_data.code},
      success: function(resultData)
      {

      }
</script>

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