Question: how install xdebug ubuntu 16.04?
Answer: sudo apt-get install php-xdebug. You should check your PHP modules list and see xdebug in there now. ...  php -m. sudo service apache2 restart. ...  vi /etc/php/7.0/mods-available/xdebug. ini. xdebug. show_error_trace = 1. ...  sudo apt-get install php-soap php-curl. Soap requires you to uncomment a line in your php.