Hints for templates/blocks/containers when inspecting code
Example from admin order page:
- Magento 2.2 or newer
- PHP 7.0 or newer
Run following commands:
composer require --dev papec/source-hints
./bin/magento module:enable Papec_SourceHints
./bin/magento setup:upgrade
./bin/magento config:set dev/debug/source_hints 1