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WMPRO, WMMINI FW >= 1.1015 WMMEGA FW >= 2.0
Backup the contents of non-volatile RAM (NVRAM) to a file on the SD Card
$filename: Full path and file name to store data
int: number of bytes written or 0 if unsuccessful
<? $res=nvram_backup("/mybackup.dat"); if ($res > 0) { print("NVRAM Backup File Size: ".$res); } else print("Backup failed."); ?>
nvram_restore() - Restore NVRAM contents from a file</html>