composer self-update --2
brew install composer
composer config -g repos.packagist composer https://packagist.pages.dev
composer config -g --unset repos.packagist
composer init
composer config repos.packagist composer https://mirrors.aliyun.com/composer/
composer dump-autoload -o
php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
php composer-setup.php
php -r "unlink('composer-setup.php');"
php composer.phar init
php composer.phar update
composer config --list
composer config --global
php -r "copy('https://install.phpcomposer.com/installer', 'composer-setup.php');" \
&& php composer-setup.php \
&& php -r "unlink('composer-setup.php');" \
&& mv composer.phar /usr/local/bin/composer
composer install --no-ansi --no-dev --no-interaction --no-plugins --no-progress --no-scripts --optimize-autoloader