if(isset($_FILES["plik"]))
{
$f = $_FILES["plik"]['tmp_name'];
move_uploaded_file($_FILES['plik']['name'],'tmp/'.$_FILES['plik']['name']);
$csvData=file_get_contents($_FILES['plik']['tmp_name']);
$array['rows']=explode("\n",$csvData);
foreach ($array['rows'] as $key => $value) {
  $array['rows'][$key] = explode(';',$value);
}
}