目录操作。。
时间：2006-04-22 来源：qing
$dir_name = "/var/www/localhost/htdocs/pp/";
not
$dir_name = "/var/www/localhost/htdocs/pp";
$file_size = filesize($dir_name.$file_name);
echo $file_size;
$dir = opendir($dir_name);
$file_name = readdir($dir));
Warning: filesize(): Stat failed for /var/www/localhost/htdocs/c2.jpg (errno=2 - No such file or directory)
not
$dir_name = "/var/www/localhost/htdocs/pp";
$file_size = filesize($dir_name.$file_name);
echo $file_size;
$dir = opendir($dir_name);
$file_name = readdir($dir));
Warning: filesize(): Stat failed for /var/www/localhost/htdocs/c2.jpg (errno=2 - No such file or directory)
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