缺少 openssl 扩展（Composer 安装 openSUSE）
openssl extension is missing (Composer installation openSUSE)
从composer网站下载composer安装文件后
我尝试使用命令安装它：
~> php installer
输出：
Some settings on your machine make Composer unable to work properly.
Make sure that you fix the issues listed below and run this script again:
The openssl extension is missing, which means that secure HTTPS transfers are impossible.
If possible you should enable it or recompile php with --with-openssl
我修改了php.ini文件，删除了extension=php_openssl.dll前面的;
然后我重新启动了我的 apache2 服务器，但它仍然是相同的错误消息。
问题已解决。
尝试输入命令
$ zypper install php5-openssl
从composer网站下载composer安装文件后 我尝试使用命令安装它：
~> php installer
输出：
Some settings on your machine make Composer unable to work properly. Make sure that you fix the issues listed below and run this script again: The openssl extension is missing, which means that secure HTTPS transfers are impossible. If possible you should enable it or recompile php with --with-openssl
我修改了php.ini文件，删除了extension=php_openssl.dll前面的;
然后我重新启动了我的 apache2 服务器，但它仍然是相同的错误消息。
问题已解决。
尝试输入命令
$ zypper install php5-openssl