anchor.diff:  
   # soap
   RUN cd /usr/local/src \
  -    && cd php-7.1.26/ext/soap \
  +    && cd php-7.1.30/ext/soap \
       && phpize \
       && ./configure \
       && make \
  
positive.code: 
  # bcmath
  RUN cd /usr/local/src \
      && cd php-7.1.26/ext/bcmath \
      && phpize \
      && ./configure \
      && make \
  
negative.code: 
  # xmlrpc
  RUN cd /usr/local/src \
      && cd php-7.1.30/ext/xmlrpc \
      && phpize \
      && ./configure \
      && make \
      && make install
  
  # postgresql
  RUN cd /usr/local/src \
      && cd php-7.1.30/ext/pgsql \
      && phpize \
      && ./configure \
      && make \
      && make install
  
  # pdo_postgresql
  RUN cd /usr/local/src \
      && cd php-7.1.30/ext/pdo_pgsql \
      && phpize \
      && ./configure \
      && make \
      && make install
  
  # mysqli
  RUN cd /usr/local/src \
      && cd php-7.1.30/ext/mysqli \
      && phpize \
      && ./configure \
      && make \
  