php - Joomla uploading images issue -

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i installed bt property component joomla site , when select multiple of images (more 3 or 4) want upload article, nothing happens. images won't upload. try change code don't know problem is.

this code want change.

<?php  defined('_jexec') or die('restricted access'); $document = jfactory::getdocument(); $path = $this->params->get('images_path', 'images/bt_property'); ?>  <ul class="adminformlist" id="uploading">     <li><input type="file" name="attachment" id="attachment" multiple /><img id="spinner"         style="display: none; margin-left: 10px;"         src="<?php echo juri::root(); ?>components/com_bt_property/assets/img/spinner.gif">         <div style="clear: both"></div>         <div id="btss-message"></div></li> </ul> <script type="text/javascript"> (function($){             var files = [];             $("#attachment").change(function(event) {             $.each(event.target.files, function(index, file) {               var reader = new filereader();               reader.onload = function(event) {                 object = {};                 object.filename = file.name;                 object.data = event.target.result;                 files.push(object);                 if(files.length==1){                     uploadfile(index);                     $('#spinner').show();                     $("#btss-message").show();                 }               };                 reader.readasdataurl(file);             });           });            function uploadfile(index){               $.ajax({url: "index.php?option=com_bt_property&task=properties.upload",                     type: 'post',                     data: {filename: files[index].filename, filedata: files[index].data},                     success: function(response, status, xhr){                         uploadhandler(response, status, xhr);                         if(index == files.length-1){                             $('#spinner').hide();                             files = [];                             $("#attachment").val('');                             $("#btss-message").delay(1000).slideup(function(){                                 $("#btss-message").html('');                             });                         }else{                             index++;                             uploadfile(index);                          }                     }               });           }           function uploadhandler(response, status, xhr) {               var data = jquery.parsejson(response);                       if(data == null){                           showmessage("<br /><span style=\"color: red;\">loading failed</span>");                       }else{                           var file = data.files;                           if (!data.success) {                               showmessage("<br /><span style=\"color: red;\"> " + data.message +"</span>");                           }                           else {                                  var html = '<li>';                                     html += '<input class="input-default" title="make default" name="default_image" type="radio" value="'+file.filename+'" />';                                     html += '<img class="img-thumb" src="<?php echo juri::root() . $path . '/tmp/' . ($this->params->get('thumbimgprocess', 1) == -1 ? 'original' : 'thumb') . '-'; ?>'+file.filename+'" />';                                     html += '<input type="hidden" name="image_id[]" value="0" />';                                     html += '<input type="hidden" name="image_filename[]" value="'+file.filename+'" /><br/>';                                                                        html +='<a href="javascript:void(0)" class="edit" onclick="editimage(this)">edit</a>';                                     html +='<a href="javascript:void(0)" class="remove" onclick="removeimage(this)" >remove</a>';                                     html += '</li>';                                                                     jquery('#sortable').append(html);                                 jquery('#sortable li:last-child ').find('a.edit').data('title', file.title);                                                                  renewitem();                                 showmessage('<br />' + file.title + " uploaded successfully!");                           }                        }             }           function showmessage(msg){               $("#btss-message").append(msg);           }  })(jquery);   </script>

is there way fix code? thankful answer.

your file object coming undefined, , you're not able use file.filename.

your problem line var file = data.files; - sure data.files?


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