我在尝试启动 symfony 时遇到问题,错误是:
composer require server --dev
Some Symfony Flex features may not work as expected: your version of Composer is too old
Please upgrade using https://getcomposer.org/
我尝试更新 Composer ,但在 Composer 文档 here 中找不到方法我按照步骤但是:
php -r "if (hash_file('SHA384', 'composer-setup.php') === '52cb7bbbaee720471e3b34c8ae6db53a38f0b759c06078a80080db739e4dcab6') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;"
Installer corrupt
所以,我陷入了错误循环,我该怎么办?
(我在ubuntu工作)
当然我试过:
composer self-update
[InvalidArgumentException]
Command "self-update" is not defined.
最佳答案
命令self-update
i 仅在您将 composer 安装为 phar 时可用,而不是作为全局项目中的依赖项或通过 apt 安装。
所以需要卸载composer
并用 phar 重新安装它,然后你就可以使用自我更新了
Documentation
关于symfony - Composer 太老了,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/49549257/