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(PECL radius >= 1.1.0)
radius_send_request — Sends the request and waites for a reply
After the Radius request has been constructed, it is sent by radius_send_request().
The radius_send_request() function sends the request and waits for a valid reply, retrying the defined servers in round-robin fashion as necessary.
If a valid response is received, radius_send_request() returns the Radius code which specifies the type of the response. This will typically be RADIUS_ACCESS_ACCEPT, RADIUS_ACCESS_REJECT, or RADIUS_ACCESS_CHALLENGE. If no valid response is received, radius_send_request() returns FALSE.
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