The latest version of this package is 9 years old and only mentions supporting "PHP 7.0.1+". If you need ImageMagick support you should use Imagick instead.
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/gmagick.
注意: The official name of this extension is gmagick.
The latest version of this package is 9 years old and only mentions supporting "PHP 7.0.1+". If you need ImageMagick support you should use Imagick instead.