Composer使用经验

http://getcomposer.org/download/

You must enable the openssl extension to download files via https

 解决方法：

在PHP根目录下（）找到php.ini;

Find line ;extension=php_openssl.dll in D:Program FilesEasyPHP-DevServer-13.1VC9inariesphpphp_runningversionphp.ini and uncomment it by removing the semicolon (;) from the beginning of the line.

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原文地址：https://www.cnblogs.com/gmth/p/3526510.html