как установить хдэбаг

Instructions
1. Download xdebug-2.7.2.tgz
2. Install the pre-requisites for compiling PHP extensions.
On your Ubuntu system, install them with: apt-get install php-dev autoconf automake
3. Unpack the downloaded file with tar -xvzf xdebug-2.7.2.tgz
4. Run: cd xdebug-2.7.2
5. Run: phpize (See the FAQ if you don't have phpize).
As part of its output it should show:
Configuring for:
...
Zend Module Api No: 20170718
Zend Extension Api No: 320170718
If it does not, you are using the wrong phpize. Please follow this FAQ entry and skip the next step.
6. Run: ./configure
7. Run: make
8. Run: cp modules/xdebug.so /usr/lib/php/20170718
9. Edit /etc/php/7.2/apache2/php.ini /etc/php/7.2/apache2/php.ini and add the line
zend_extension = /usr/lib/php/20170718/xdebug.so
10. Restart the webserver

Это мне понятно
On your Ubuntu system, install them with: apt-get install php-dev autoconf automake
9. Edit /etc/php/7.2/apache2/php.ini /etc/php/7.2/apache2/php.ini and add the line
zend_extension = /usr/lib/php/20170718/xdebug.so
10. Restart the webserver