Composer PHP7.3 SHA384 is not supported by your openssl extension

在使用composer 更新时候的，报错

代码语言：javascript复制

composer self-update

代码语言：javascript复制

SHA384 is not supported by your openssl extension, could not verify the pha  
  r file integrity 

解决

重新下载在安装

代码语言：javascript复制

rm -f /usr/local/bin/composer

curl -s https://getcomposer.org/installer | php

mv composer.phar /usr/local/bin/composer

composer

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