D:\data\www\mmoyu\symapp>php -f %phprc%\composer install

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 . OpenSSL Error messages:

  error::SSL routines:SSL3_GET_SERVER_CERTIFICATE:certificate verify

  failed

  Failed to enable crypto

  failed to open stream: operation failed

install [--prefer-source] [--prefer-dist] [--dry-run] [--dev] [--no-dev] [--no-p

lugins] [--no-custom-installers] [--no-scripts] [--no-progress] [-v|vv|vvv|--ver

bose] [-o|--optimize-autoloader]