javascript - Ajax multiple file upload dont work -


i'm usign code pass file input ajax. there 3 input file in html code .but first file input sent ajax. how fix code? mistake?

$("#add_order").click(function () {      //*****get data input     var formdata = new formdata();          formdata.append( 'action', 'add_order');      $.each($("input[type=file]"), function(i, obj) {         $.each(obj.files,function(j,file){             alert(file.name);             formdata.append('orderpic[]', file);         });     });      //ajax start , ajax complatet     ajax_loading();      $.ajax({         url: "includes/ajax/ajax.php",         data: formdata,         processdata: false,         contenttype: false,         type: 'post',         datatype:'json',         success: function(response){            //load json data server , output message                 if(response.type == 'error'){ //load json data server , output message                     output = '<div class="alert alert-danger" style="margin-top:12px;">'+response.text+'</div>';            }else{                output = '<div class="alert alert-success" style="margin-top:12px;">'+response.text+'</div>';                resetallvalues();                settimeout(function() {                     $('#new-order').modal('hide');                 }, 1500);            }            $("#results").hide().html(output).fadein('slow').delay(800).fadeout();     });         });

html code:

<input type="file" name="orderpic[]" id="orderpic" class="form-control"> <input type="file" name="orderpic[]" id="orderpic" class="form-control"> <input type="file" name="orderpic[]" id="orderpic" class="form-control">

php code:

//file settings     $files = array();     for($i=0; $i<count($_files['orderpic']['name']); $i++) {         //get temp file path         $tmpfilepath = $_files['orderpic']['tmp_name'][$i];          //make sure have filepath         if ($tmpfilepath != "") {             //setup our new file path             $time = time();             $ext = pathinfo($_files['orderpic']['name'][$i], pathinfo_extension);             $filepath = $uploaddir . $time .'.'. $ext;              //upload file temp dir             if (move_uploaded_file($tmpfilepath, $filepath)) {                 $resizeobj = new resize($filepath);                 $resizeobj -> resizeimage(200, 350, 'portrait');                 $newfilepath = $uploaddir. "200_350_" .$time.'.'.$ext;                 $resizeobj -> saveimage($newfilepath, 100);                 unlink($filepath);                 $files[] = "200_350_" .$time.'.'.$ext;             }         }     }

'id' cannot same input controls. change shown in html below , should work. 

    <input type="file" name="orderpic[]" id="orderpic1" class="form-control">     <input type="file" name="orderpic[]" id="orderpic2" class="form-control">     <input type="file" name="orderpic[]" id="orderpic3" class="form-control">

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