problema con funzione upload file di una immagine e spedizione tramite form

[neo1976]

clasku il compilatore crea tutto il form in automatico, io non sono esperto,per codice lato server che riguarda la parte dell'upload intendi questo?

<?php
   $result = array();
   $sizes = array('MB' => '1024', 'KB' => '1');
   $clear = true;
   $result['success'] = true;
    $result['file_names'] = false;
//echo "<pre>";print_r($_FILES);exit;
if($_FILES['myfile']){
   for($i=0; $i < count($_FILES['myfile']['name']); $i++){
       //echo "<pre>";print_r($_POST);exit;
       if($_FILES['myfile']['error'][$i] != '4'){
           $target_path = basename($_FILES['myfile']['name'][$i]);
           
           $ext_ar = explode(".", $_FILES['myfile']['name'][$i]);
           $ext = end($ext_ar);
           //Check File Extension
           if($_POST['ext_auth_type'][$i] == 'limited'){
                   $allowed_ext = explode(",", $_POST['authorized_file_ext'][$i]);
                
                if(!in_array($ext, $allowed_ext)){
                    $result['success'] = false;
                    $clear = false;
                    
                    $result['err'][$i]['fileindex'] =  $_POST['file_index'][$i];
                    $result['err'][$i]['err'] =  '<div class="has-error event-err"><span class="help-block">'.stripslashes(html_entity_decode($_POST['err_file_ext'][$i], ENT_QUOTES)).'</span></div>';
                }
           }
           if($clear == true){
               //Check File size
              $max_allowed_size =  ($_POST['max_file_size'][$i]) * ($sizes[$_POST['unit_file_size'][$i]]) * 1024;
               if($_FILES['myfile']['size'][$i] > $max_allowed_size){
                    $result['success'] = false;
                    $clear = false;
                    
                    $result['err'][$i]['fileindex'] =  $_POST['file_index'][$i];
                    $result['err'][$i]['err'] =  '<div class="has-error event-err"><span class="help-block">'.stripslashes(html_entity_decode($_POST['err_file_size'][$i], ENT_QUOTES)).'</span></div>';
               }
           }
            
       }elseif($_POST['required'][$i] == 'required'){
            $result['success'] = false;
            $clear = false;
            $result['err'][$i]['fileindex'] =  $_POST['file_index'][$i];
            $result['err'][$i]['err'] = '<div class="has-error event-err"><span class="help-block">'.stripslashes(html_entity_decode($_POST['element_required_validation_txt'][$i], ENT_QUOTES)).'</span></div>';
        }
   }
   
    if($clear == true){
        for($i=0; $i < count($_FILES['myfile']['name']); $i++){
            
            $target_path = basename($_FILES['myfile']['name'][$i]);
            if(@move_uploaded_file($_FILES['myfile']['tmp_name'][$i], "../media/uploads/".$target_path)) {
              $result['success'] = true;
              $result['file_names'][$_POST['file_index'][$i]] = $target_path;
            }
        }
        sleep(1);
    }
    
} else {
    $result['success'] = true;
    $result['file_names'] = false;
}
          
   
   //echo "<pre>";print_r($result);exit;
?>


<script language="javascript" type="text/javascript">window.top.window.stopUpload(<?php echo json_encode($result); ?>);</script>