$fp = fopen("counter.txt", "r+");
$counter = fgets($fp, 80);
$counter = doubleval($counter) + 1;
fseek($fp, 0);
fputs($fp, $counter);
$n = strlen("$counter");
for ($i=0; $i<$n; $i++)
{
$gra_counter = substr($counter, $i, 1); //抓取每一個字元
// 將每一個抓取的字元對應為 GIF 檔
$image = $image . "";
}
fclose($fp);
?>
echo $image; ?>