anchor.diff:      && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* /usr/share/doc/*
   
   
  -RUN if [ $(echo " $PHP_VERSION >= 7.2" | bc) -eq 1 ]; then echo "new php0" ; else echo "old php0" ; fi 
  -RUN if [ $PHP_VERSION -lt 7.2 ] ; then echo "old php1" ; else echo "new php1" ; fi 
  -
  -RUN if [ $PHP_VERSION -lt 7.2 ] ; then echo "old php2" && echo "old php3" ; else echo "new php2" && echo "new php3" ; fi
  -
  -RUN fjhflsjkldsjldsjd
  -
   RUN mkdir -p /cre/tmp/php/packages
   #RUN echo "{}" > /cre/tmp/php/packages/composer.json
   COPY cre/empty-composer.json /cre/tmp/php/packages/composer.json
  
positive.code: 
  RUN composer install
  RUN composer update
  #RUN composer global install
  #RUN composer global update
  
  
  COPY cre /cre
  
negative.code: #RUN composer require letudiant/composer-shared-package-plugin
  
  
  # yii3
  ## needs php 7.2 AND conflicts with yii2
  
  RUN composer require --prefer-stable --update-with-all-dependencies php-extended/php-http-message-factory-psr17
  
  
  RUN composer require --prefer-stable --update-with-all-dependencies ezyang/htmlpurifier
  