";
     if ($_POST['Ir'] != ""){
      echo "
";
      echo $_FILES['file_a']['tmp_name'];
      echo "
";
      echo $_FILES['file_a']['name'];
      echo "
";
      echo $_FILES['file_a']['type'];
      echo "
";
      echo "Tamano do aquivo:".$_FILES['file_a']['size'];
      echo "
";
      ///////////
      $rr = "img/";
      /////////////////////
      
      if (file_exists($rr.$_FILES['file_a']['name'])){
         print "Arquivo ".$_FILES['file_a']['name']." já existe";
      }  else {
         $arquivo_e  = $_FILES['file_a']['tmp_name'];
         $arquivo_d  = $rr.$_FILES['file_a']['name'];
         move_uploaded_file($arquivo_e,$arquivo_d);
        }
        }
?>