anchor.diff:  RUN composer global require --prefer-stable --update-with-all-dependencies twig/twig
   RUN composer global require --prefer-stable --update-with-all-dependencies yiisoft/var-dumper
   RUN composer global require --prefer-stable --update-with-all-dependencies psr/container
  -RUN composer global require --prefer-stable --update-with-all-dependencies psr/container-implementation
  +
   RUN composer global require --prefer-stable --update-with-all-dependencies psr/http-factory
  -RUN composer global require --prefer-stable --update-with-all-dependencies psr/http-factory-implementation
   RUN composer global require --prefer-stable --update-with-all-dependencies psr/http-message
   RUN composer global require --prefer-stable --update-with-all-dependencies psr/http-message-implementation
   RUN composer global require --prefer-stable --update-with-all-dependencies psr/http-server-handler
  
positive.code: #Real conflicts with yii2
  RUN composer global require --prefer-stable --update-with-all-dependencies yiisoft/yii-core
  
  
  ##RUN composer global require --prefer-stable --update-with-all-dependencies yiisoft/yii-dev
  ##RUN composer global require --prefer-stable --update-with-all-dependencies yiisoft/yii-twig
  ##RUN composer global require --prefer-stable --update-with-all-dependencies psr/http-factory-implementation
  ##RUN composer global require --prefer-stable --update-with-all-dependencies hiqdev/composer-config-plugin
  
  
  RUN composer global install
  RUN composer global update
  
negative.code: 
  ### test conflicts....
  
  
  # Not loaded from cache ???
  RUN composer global require --prefer-stable --update-with-all-dependencies codeception/base
  RUN composer global require --prefer-stable --update-with-all-dependencies codeception/verify
  