======nvram_backup======
WMPRO, WMMINI FW >= 1.0 WMMEGA FW >= 2.0
Backup the contents of NVRAM to a file on the SD Card
====Description====
int
nvram_backup (
string
$filename
)
====Parameter====
$filename: Full path and file name for where to store the NVRAM data
====Return Values====
Integer number of bytes written, or 0 if unsuccessful
====Example====
$res=nvram_backup("/mybackup.dat");
if ($res > 0) {
print("NVRAM Backup File Size: ".$res);
} else {
print("Backup failed.");
}
?>
====See Also====
[[nvram_restore()]] - Restore the contents of NVRAM from a file