Vladnev

composer global require "hirak/prestissimo:^0.3" - async package download
composer global require "squizlabs/php_codesniffer=*" - code sniffer
composer global require "phpmd/phpmd" - mess detector

Vladnev

sudo deluser mysql
sudo delgroup mysql
sudo service mysql stop #or mysqld
sudo killall -9 mysql
sudo killall -9 mysqld
sudo apt-get remove —purge mysql-server mysql-client mysql-common
sudo apt-get autoremove
sudo apt-get autoclean
sudo deluser mysql
sudo rm -rf /var/lib/mysql