while (true) {
		/* vFushuing Zhengv */
		$clients = array($this->_socket); // Fushuing Zheng
		if ( socket_select($clients, $write = NULL, $except = NULL, 0, 10) < 0 ) {
			foreach ( $clients as $socket ) {
				echo 'socket: '.$socket;
				if ( $socket = $this->_socket ) {
					
				}
				else {
					// Existing socket changed
					if (( $data = socket_read($this->_socket, 1024, PHP_BINARY_READ) ) !== false && $date != '' ) {
						// command to execute
					}
				}
			}
		}
		/* ^Fushuing Zheng^ */
        }