Error: Call to undefined function Symfony\Component\Console\Helper\mb_detect_encoding() in /usr/share/php/Symfony/Component/Console/Helper/Helper.php:50#0 /usr/share/php/Symfony/Component/C
然而,我能够安装curl.exe并运行下面两个命令中的第一个命令,而没有在它的末尾添加| php,因为添加它会导致php is not recognized as an internal or external$ curl -s http://getcomposer.org/installer | php首先要感谢大家!