anchor.diff:  RUN cd php-src \
     && ./configure \
     --enable-bcmath \
  +  --enable-mbstring \
     --with-gmp \
     --with-openssl \
     --with-zlib \
  
positive.code: RUN cd php-src \
    && ./configure \
    --enable-maintainer-zts \
    --with-gmp \
    --with-openssl \
    --with-zlib \
  
negative.code:   && make install \
    && make clean
  
  RUN wget -O phpunit https://phar.phpunit.de/phpunit-7.5.0.phar \
    && chmod +x phpunit \
    && cp phpunit /usr/local/php-7.1/bin \
    && mv phpunit /usr/local/php-7.1-zts/bin
  