composer更新报错

在用composer安装Yii2的扩展插件时，报错：

[UnexpectedValueException]
  Could not parse version constraint <=2.*: Invalid version string "2.*"



先执行composer self-update 
然后执行composer update或composer global update

posted on 2018-05-21 14:53  sir_zhang  阅读(195)  评论(0)  编辑  收藏  举报

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