文件夹的创建

$stmt = "a.txt";$str = "奥力给！！！！";

echo "用fwrite函数写入文件："; $fopen = fopen($stmt,'w');fwrite($fopen,$str);fclose($fopen); readfile($stmt);

echo "

";$path ="./";    $absolutepath=realpath($path);    echo $absolutepath;