Array Difference, Radio Button Js,

$a1=array("a"=>"red","b"=>"green","c"=>"blue","d"=>"yellow");
$a2=array("e"=>"red","f"=>"green","g"=>"blue");

$result=array_diff($a1,$a2);
print_r($result);

______________________________________________________

<script type="text/javascript">

 $(document).ready(function(){

      $("input[type='radio']").click(function(){

            var radioValue = $("input[name='duration']:checked").val();

            if(radioValue){

                alert("Your are a - " + radioValue);

            }

        });

 });

</script>  

$(document).on("click", ".upappdesc", function(){

// alert($(this).data('id'));

 var option = $(this).data("cat").split(",");

 // alert($(this).data("id"));

 // var step='';

 // option.forEach(function(opt){

 //    step +="<option value=' '>"+opt+"</option>"    

            

 //    });    

 // $(".modal-body #ucat").html(step);

 $(".modal-body #upappform").attr('action','/updateAppDescription/'+$(this).data('id'));

});