composer global require friendsofphp/php-cs-fixer -W

prestare attenzione alla prima riga   
Changed current directory to /home/zorin/.config/composer

echo 'export PATH="$HOME/.config/composer/vendor/bin:$PATH"' >> ~/.bashrc

source ~/.bashrc


---------------

sudo wget https://cs.symfony.com/download/php-cs-fixer-v3.phar -O /usr/bin/php-cs-fixer
sudo chmod a+x /usr/bin/php-cs-fixer
Add the php-cs-fixer.executablePath setting to /home/[username]/.vscode-server/data/Machine/settings.json:
{
    "php-cs-fixer.executablePath": "/usr/bin/php-cs-fixer"
}