安装此 PECL 扩展相关的信息可在手册中标题为 PECL 扩展的安装章节中找到。更多信息如新的发行版本、下载、源文件、 维护人员信息及变更日志等，都在此处： » https://pecl.php.net/package/operator.
Windows users can download prebuilt release binaries from the » PECL website.
operator releases are hosted by PECL and the source code by » github.