I am using XAMPP on Windows. By printing $_FILES[\"file\"][\"tmp_name\"], it seems that the temporary file was saved at C:\\xampp\\tmp\\phpABCD.tmp. But I cannot se
from http://www.php.net/manual/en/features.file-upload.php#93602, "...the uploaded file will inherit the permissions of the directory specified in the directive upload_tmp_dir of php.ini. If this directive isn't set, the default of C:\Windows\Temp is used..."