[請益] 我這段計數歸零的程式有寫錯嗎?
為何執行後count_day.txt內的人數都不會歸零呢@@
請高手指點一下好嗎??
感謝!!
<?php
if (file_exists('../../count_day.txt'))
{
$fil = fopen('../../count_day.txt', r);
$dat = fread($fil, filesize('../../count_day.txt'));
$dat = 0;
fclose($fil);
$fil = fopen('../../count_day.txt', w);
fwrite($fil, $dat+1);
}
else
{
$fil = fopen('../../count_day.txt', w);
fwrite($fil, 1);
echo '1';
fclose($fil);
}
?>
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