Reasons and solutions for the existence of a large number of files starting with sess in the temp folder of the c drive

P & lt; p & gt; & lt ;? PHP

}
}
for($i = 0; $i < ; $length; $i++) {
for($j = 0; $j < $length; $j++) {
makeDir('/data/session_tmp/'.$string[$i].'/'.$ string[$j]);
}
}
?> .