(PECL fann >= 1.0.0) Returns the postions of terminating neuron
(PECL fann >= 1.0.0) Returns the postions of starting neuron.
(PECL fann >= 1.0.0) Returns the connection weight
(PECL fann >= 1.0.0) Sets the connections weight
(PECL fann >= 1.0.0) The connection constructor