$digits = 4;
$filelocation="count.txt";
if (!file_exists($filelocation)) {
$newfile = fopen($filelocation,"w+");
$content=1;
fwrite($newfile, $content);
fclose($newfile);
}
$newfile = fopen($filelocation,"r");
$content = fread($newfile, filesize($filelocation));
fclose($newfile);
$newfile = fopen($filelocation,"w+");
if (!$c){
$content++;
}
fwrite($newfile, $content);
fclose($newfile);
echo "".sprintf ("%0"."$digits"."d",$content)."";
?>