<form method="post"> 
<input name="pole" value="pole 1"> 
<input name="pole2" value="Pole 2"> 
<input type="submit" name="go"> 
</form> 
<?php 
if($_POST['go']) 
{ 
$file= fopen('file.txt', "a"); 
fwrite($file, $_POST['pole'].";".$_POST['pole2']."\r\n"); 
fclose ($file);
} 
?>