WMPRO, WMMINI FW >= 1.0 WMMEGA FW >= 2.0
Return the number of bytes available in NVRAM
None
Integer: The number of bytes free in NVRAM
<? $res=nvram_free(); print("NVRAM Free Size: ".$res); ?>
nvram_backup() - Backup the contents of NVRAM to a file on the SD Card
nvram_defrag() - Defragment NVRAM to optimise it
nvram_dump() - Dump the contents of NVRAM to standard output
nvram_restore() - Restore the contents of NVRAM from a file