//get the csv file
    $file = $_FILES[csv][tmp_name];
    $handle = fopen($file,"r");

##</code><code>##

<form action="" method="post" enctype="multipart/form-data" name="form1" id="form1">
  Choose your file: <br />
  <input name="csv" type="file" id="csv" />
  <input type="submit" name="Submit" value="Submit" />
</form>