linux 安装composer 并解决Your requirements could not be resolved to an installable set of packages

Linux 安装composer

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

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

composer config -g repo.packagist composer https://packagist.phpcomposer.com

composer install如果报错
Your requirements could not be resolved to an installable set of packages

解决
composer install --ignore-platform-reqs 或者 composer update --ignore-platform-reqs

关注公众号技术谈论：靳某某的PHP爬坑之旅