<?php
function rating($getal=false)
{
$rating_file="rating.txt";
if(!empty($getal))
{
$file=file($rating_file);
$getal2=$file[0];
$getal3=$getal2+$getal;
$aantal_stemmen=$file[1];
$aantal=$aantal_stemmen+1;
$fp=fopen($rating_file,"w");
fputs($fp,$getal3."\n");
fputs($fp,$aantal."\n");
fclose($fp);
}
$file=file($rating_file);
$getal2=$file[0];
$aantal_stemmen=$file[1];
$gem=round($getal2/$aantal_stemmen,2);
$out[0]=$gem;
$out[1]=$aantal_stemmen;
$out[2]=$getal2;
return $out;
}
$rating=rating($_GET['getal']);
echo "<pre>";
echo "gemiddelde: ".$rating[0]."\n";
echo "aantal stemmen: ".$rating[1]."\n";
echo "</pre>";
?>