1.使用升级命令update的问题
composer update
提示下面的错误:
1、Warning: This development build of composer is over 60 days old. It is recommend ed to update it by running "C:\ProgramData\ComposerSetup\bin\composer.phar self- update" to get the latest version.
我以为要运行
C:\ProgramData\ComposerSetup\bin\composer.phar self-update
结果还是出错了,正确的命令是下面这个:
composer selfupdate
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原文：http://www.cnblogs.com/jiangxiaochang/p/6475710.html