<php $vote = $_REQUEST['vote']; //get content of textfile $filename = "poll_result.txt"; $content = file($filename); //put content in array $array = explode("||", $content[0]); $yes = $array[0]; $no = $array[1]; if ($vote == 0) { $yes = $yes + 1; } if ($vote == 1) { $no = $no + 1; } //insert votes to txt file $insertvote = $yes."||".$no; $fp = fopen($filename,"w"); fputs($fp,$insertvote); fclose($fp); ?>

Result:

Yes:	<php echo(100*round($yes/($no+$yes),2)); ?>%
No:	<php echo(100*round($no/($no+$yes),2)); ?>%