我正在尝试使用 我用过： 我之前没有安装过composer。
PHP版本在我的 Ubuntu 16.04 中安装composer 5.6。* 。
curl -sS https://getcomposer.org/installer | PHP 。 但它给我的错误如下：
所有设置都正确使用Composer
Downloading ...
“https://getcomposer.org/versions”文件无法 下载：无法打开流：连接被拒绝
正在重试...
无法下载“https://getcomposer.org/versions”文件：SSL操作失败，代码为1. OpenSSL错误消息：
error：1416F086： SSL例程：tls_process_server_certificate：证书验证失败
无法启用加密
无法打开流：操作失败
正在重试...
无法下载“https://getcomposer.org/versions”文件：SSL操作失败并带有代码 1. OpenSSL错误消息：
error：1416F086：SSL例程：tls_process_server_certificate：证书验证失败
无法启用加密
无法打开流：操作失败
下载失败重复，中止。
I'm trying to install composer in my Ubuntu 16.04 with PHP version 5.6.*.
I used:curl -sS https://getcomposer.org/installer | php. But it is giving me error as follows:
All settings correct for using Composer
Downloading...
The "https://getcomposer.org/versions" file could not be downloaded: failed to open stream: Connection refused
Retrying...
The "https://getcomposer.org/versions" file could not be downloaded: SSL operation failed with code 1. OpenSSL Error messages:
error:1416F086:SSL routines:tls_process_server_certificate:certificate verify failed
Failed to enable crypto
failed to open stream: operation failed
Retrying...
The "https://getcomposer.org/versions" file could not be downloaded: SSL operation failed with code 1. OpenSSL Error messages:
error:1416F086:SSL routines:tls_process_server_certificate:certificate verify failed
Failed to enable crypto
failed to open stream: operation failed
The download failed repeatedly, aborting.
I do not have composer installed previously.
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