Nephthys

stat() and filesize()

$size = stat('/var/lib/nephthys/transfer/c6f3da8f60f5e03119a576281ae1/XPRV5R5-FR5_DVD1.iso');
print \$size[7];

returns on a ~3GB file

-465534976

http://de.php.net/manual/en/function.filesize.php says

    Note:  Because PHP's integer type is signed and many platforms use 32bit integers, filesize() may return unexpected results for files which are larger than 2GB. For files between 2GB and 4GB in size this can usually be overcome by using sprintf("%u", filesize($file)).