/ PHP

How to upgrade Magento 2.x to 2.2.3

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cd /your-magento-directory
bin/magento maintenance:enable
composer require magento/product-community-edition 2.2.3 --no-update
composer update
rm -rf var/cache/* var/page_cache/* generated
bin/magento setup:upgrade
bin/magento setup:di:compile
bin/magento cache:clean 
bin/magento cache:flush 
bin/magento maintenance:disable