composer ssl 错误

C:\Users\routes>composer global require  "laravel/installer=~1.1"

Changed current directory to C: /Users/routes/AppData/Roaming/Composer

. /composer .json has been updated

Loading composer repositories with package information

 

 

 

   [Composer\Downloader\TransportException]

   The  "https://packagist.org/packages.json"  file  could not be downloaded: SSL

    operation failed with code 1. OpenSSL Error messages:

   error:14090086:SSL routines:SSL3_GET_SERVER_CERTIFICATE:certificate verify

   failed

   Failed to  enable  crypto

   failed to  open  stream: operation failed

下载

http://curl.haxx.se/ca/cacert.pem

 

在php.ini加入

openssl.cafile= E:\xampp\php\cacert.pem