src/Socket.php
public function read($length = 8192) {
		$content = '';
		while ($buff = socket_read($this->socket, $length)) {
			$content .= $buff;
		}
		return $content;
	}
public function read($length = 8192) {
		$content = '';
		while ($buff = socket_read($this->socket, $length)) {
			$content .= $buff;
		}
		return $content;
	}
取出信息
@param int|string $length
@return string