Debugging the Mapper
Command Line
Get the List of Transformers
php bin/console debug:container --tag=rekalogika.mapper.transformer
Dump the Mapping Table
php bin/console rekalogika:mapper:mapping
Get the Mapping Result Between a Source and Target Type
php bin/console rekalogika:mapper:try 'App\Entity\Book' 'App\Entity\BookDto'
Symfony Profiler
In debug mode, Mapper will collect mapping data and display it in the Symfony Profiler. You can find comprehensive mapping information in the Mapper tab in the Symfony Profiler.