PHP Image Upload Via JQUERY -


i'm trying pass form data (avatar & user id) through jquery post command, won't upload file. can please point me in right direction might doing wrong? here form , script:

<form id="avatar">     <script>     $(document).ready(function()     {     var ok = true;      $('#avatarbutton').click(function()     {     var id=$("#id").val();     var avatar = $("#avatar").val();      if(ok == true)     {                    $('.avatarvalidation').html("uploading avatar").removeclass("error").addclass("success");         jquery.post("php/<?php echo $usertype; ?>/avatar.php", {         id:id,         avatar:avatar         },  function(data, textstatus){         if(data == 1){             $('.avatarvalidation').html("profile updated").removeclass("error").addclass("success");         }         else if(data == 2){             $('.avatarvalidation').html("error").removeclass("success").addclass("error");         }         });     }     else     {     $('.avatarvalidation').html("no").removeclass("success").addclass("error");     }     return false;     });     });     </script>     <table>         <tr>             <td class="textcolumn profilecolumn">add avatar:</td>             <td class="profileinput inputcolumn"><input type="file" id="avatar" name="avatar" value="<?php echo $yourname; ?>"/></td>         </tr>         <tr>             <td colspan="2"><input type="hidden" name="id" id="id" value="<?php echo $yourid; ?>"></td>         </tr>         <tr class="buttonspacer"></tr>         <tr>             <td colspan="2">                 <input type="submit" class="submitbutton" id="avatarbutton" value="upload avatar" />                 <span class="submitvalidation avatarvalidation"></span>             </td>         </tr>     </table>     </form>

and here php form data passed to:

<?php $id= mysqli_real_escape_string($con, $_request["id"]); $avatar= mysqli_real_escape_string($con, $_request["avatar"]);  if ($_files['$avatar']['error'] > 0) {     echo "2"; //echo error } else {     // array of valid extensions     $validextensions = array('.jpg', '.jpeg', '.gif', '.png');     // extension of uploaded file     $fileextension = strrchr($_files['$avatar']['name'], ".");     // check if file extension on list of allowed ones     if (in_array($fileextension, $validextensions)) {         $newname = time() . '_' . $_files['$avatar']['name'];         $destination = 'avatar/' . $newname;         if (move_uploaded_file($_files['$avatar']['tmp_name'], $destination)) {             echo "1"; //echo success         }     } else {         echo "2"; //echo error     } } ?>

you can try plugin, take care of of background work you. have php samples well:

http://blueimp.github.io/jquery-file-upload/


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