socket_shutdown should stop read and write

As we are closing this connection on the next line, socket_shutdown should stop reading and writing. Removed additional parameter to reflect default PHP behaviour.

Author: Nick-Adams-AU

sock/SocketClient.php

@@ -38,7 +38,7 @@ public function getPort() {
 	}
 
 	public function close() {
-		socket_shutdown( $this->connection, 0);
+		socket_shutdown( $this->connection );
 		socket_close( $this->connection );
 	}
-}
+}