anchor.diff:  ###Conflicts with php<7.2
   RUN composer require --prefer-stable --update-with-all-dependencies yiisoft/log 
   
  -
   # psr/log-implementation 
   RUN composer require --prefer-stable --update-with-all-dependencies yiisoft/cache
   RUN composer require --prefer-stable --update-with-all-dependencies yiisoft/rbac
  
positive.code: RUN composer require --prefer-stable --update-with-all-dependencies true/punycode
  
  #Real conflicts with yii3
  RUN composer require --prefer-stable --update-with-all-dependencies yiisoft/yii2
  
  ###Possible Conflicts with yii3
  
negative.code: #
  
  # Pull base image.
  FROM tamboraorg/crephpdev:2011.0
  MAINTAINER Michael Kahle <michael.kahle@yahoo.de> 
  
  ARG BUILD_YEAR=2011
  