session_encode Encodes the current session data as a session encoded string &reftitle.description; stringfalsesession_encode session_encode returns a serialized string of the contents of the current session data stored in the $_SESSION superglobal. By default, the serialization method used is internal to PHP, and is not the same as serialize. The serialization method can be set using session.serialize_handler. &reftitle.parameters; &no.function.parameters; &reftitle.returnvalues; Returns the contents of the current session encoded, &return.falseforfailure;. &reftitle.notes; Must call session_start before using session_encode. &reftitle.seealso; session_decode session.serialize_handler