Debugging in Magento 2

One of the best way to debug Magento 2 store is xdebug. Using xdebugger developer can add breakpoints to review any line of code and update variable at any given time.

To setup debugger in PHPStorm follow the below steps.

Install xdebug respective to your installed PHP version

sudo apt install php7.x-xdebug

Confirm installation

php –version

Open and edit xdebug.ini file and add below line of codes

sudo vi /etc/php/7.x/mods-available/xdebug.ini (Confirm this path 
according to your computer)

Copy and paste below lines in xdebug.ini

xdebug.remote_enable = 1
xdebug.remote_port = 9898
xdebug.idekey = “PHPSTORM”
xdebug.show_error_trace = 1
xdebug.remote_autostart = 0

In PHPStorm navigate to File → Settings → Language & Frameworks → PHP → Debug → Xdebug → Debug Port → 9898 → apply → ok

In PHPStorm navigate to File → Settings → Language & Frameworks → PHP

Set PHP language level and CLI Interpreter

Restart apache to reflect changes

sudo service apache2 restart