Php/docs/function.radius-server-secret
From Get docs
radius_server_secret
(PECL radius >= 1.1.0)
radius_server_secret — Returns the shared secret
Description
radius_server_secret
( resource $radius_handle
) : string
The shared secret is needed as salt for demangling mangled data like passwords and encryption-keys.
Return Values
Returns the server's shared secret as string, or FALSE
on error.