anchor.diff:  RUN composer global require --prefer-stable --update-with-all-dependencies phpunit/phpunit
   RUN composer global require --prefer-stable --update-with-all-dependencies phpunit/php-invoker
   RUN composer global require --prefer-stable --update-with-all-dependencies symfony/browser-kit
  -###RUN composer global require --prefer-stable --update-with-all-dependencies yiisoft/yii2-queue
  -###RUN composer global require --prefer-stable --update-with-all-dependencies yiisoft/yii2-swiftmailer
  +
   RUN composer global require --prefer-stable --update-with-all-dependencies true/punycode
  +
  +#Real conflicts with yii3
  +#RUN composer global require --prefer-stable --update-with-all-dependencies yiisoft/yii2
  +
  +###Possible Conflicts with yii3
   ###RUN composer global require --prefer-stable --update-with-all-dependencies yiisoft/yii2-debug 
   ###RUN composer global require --prefer-stable --update-with-all-dependencies yiisoft/yii2-gii
   ###RUN composer global require --prefer-stable --update-with-all-dependencies yiisoft/yii2-app-basic 
  -
  -#Real conflicts with yii3
  -#RUN composer global require --prefer-stable --update-with-all-dependencies yiisoft/yii2
  +###RUN composer global require --prefer-stable --update-with-all-dependencies yiisoft/yii2-queue
  +###RUN composer global require --prefer-stable --update-with-all-dependencies yiisoft/yii2-swiftmailer
  +###RUN composer global require --prefer-stable --update-with-all-dependencies yiisoft/yii2-bootstrap
  +###RUN composer global require --prefer-stable --update-with-all-dependencies yiisoft/yii2-faker
   
   # yii3
   ## needs php 7.2 AND conflicts with yii2
  
positive.code: 
  ### test conflicts....
  
  ###RUN composer global require --prefer-stable --update-with-all-dependencies yiisoft/yii2-bootstrap
  ###RUN composer global require --prefer-stable --update-with-all-dependencies yiisoft/yii2-faker
  # 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
  
negative.code: #Real conflicts with yii2
  RUN composer global require --prefer-stable --update-with-all-dependencies yiisoft/yii-core
  
  ###Possible conflicts with yii2
  
  ##Real fails
  ##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 require --prefer-stable --update-with-all-dependencies psr/container-implementation
  
  RUN composer global install
  RUN composer global update
  