php - composer不知什么原因，遇到https，就会报SSL: Handshake timed out，Google也没结果

Question

[Composer\Downloader\TransportException] The "https://packagist.org/packages.json" file could not be downloaded: SSL: Handshake timed out

执行： composer diagnose检查显示

[root@iZm5e5k2yby7w6yyixdif3Z .composer]# composer diagnose
Do not run Composer as root/super user! See https://getcomposer.org/root for details
Checking platform settings: OK
Checking git settings: OK
Checking http connectivity to packagist: OK
Checking https connectivity to packagist: WARNING
[Composer\Downloader\TransportException] The "https://packagist.org/packages.json" file could not be downloaded: SSL: Handshake timed out
Failed to enable crypto
failed to open stream: operation failed
Checking github.com rate limit: FAIL
[Composer\Downloader\TransportException] The "https://api.github.com/rate_limit" file could not be downloaded: SSL: Handshake timed out
Failed to enable crypto
failed to open stream: operation failed
Checking disk free space: OK
Checking pubkeys: FAIL
Missing pubkey for tags verification
  ssing pubkey for dev verification
Run composer self-update --update-keys to set them up
Checking composer version: 
                                                                                                 
  [Composer\Downloader\TransportException]                                                       
  The "https://getcomposer.org/versions" file could not be downloaded: SSL: Handshake timed out  
  Failed to enable crypto                                                                        
  failed to open stream: operation failed                                                        
                                                                                                 

diagnose

执行

 php -r "copy('https://install.phpcomposer.com/installer', 'composer-setup.php');"

显示

PHP Warning:  copy(): SSL: Handshake timed out in Command line code on line 1
PHP Warning:  copy(): Failed to enable crypto in Command line code on line 1
PHP Warning:  copy(https://install.phpcomposer.com/installer): failed to open stream: operation failed in Command line code on line 1

Answer 1

打开php.ini, 将default_socket_timeout值调大。如：default_socket_timeout=360(默认为-1或60)

Answer 2

我觉得这种奇怪的情况，要么

• 翻墙

• 使用国内 composer 镜像

Answer 3

换成国内镜像试试

Answer 4

试试用浏览器请求 https://install.phpcomposer.com/installer, 下载文件后传至服务器 重命名为composer-setup.php

Answer 5

就是网络差。或者不通。。。