anchor.diff:          php${PHP_MAJOR_VERSION}-zlib \
           ${PHP_EXTENSION} \
           wget \
  +        yaml \
       && ln -s /usr/bin/php7        /usr/bin/php \
       && ln -s /usr/bin/phpize7     /usr/bin/phpize \
       && ln -s /usr/bin/php-config7 /usr/bin/php-config \
  
positive.code:         bash \
          build-base \  
          git \
      && apk --no-cache add --virtual .builddeps.edge \
          --repository http://dl-cdn.alpinelinux.org/alpine/edge/community/ \
          php${PHP_MAJOR_VERSION}-dev \
      && wget -q -O - https://pecl.php.net/get/xdebug-${XDEBUG_VERSION}.tgz \
          | tar -xzf - -C /tmp \
      && cd /tmp/xdebug-${XDEBUG_VERSION} \
      && phpize \
      && ./configure --prefix=/usr \
      && make \
      && make test \
      && make install \
      && rm -rf /tmp/xdebug* \
      ## webgrind (xdebug profile analyzer)
      && mkdir -p /code \
      && cd /code \
  
negative.code:     org.label-schema.vcs-type="Git" \
      org.label-schema.vcs-url="https://github.com/smizy/docker-php"
  
  ENV PHP_MAJOR_VERSION     ${VERSION}
  ENV PECL_XDEBUG_VERSION   2.4.1
  ENV PECL_YAML_VERSION     1.2.0
  
  RUN set -x \
      && apk --no-cache --update add \
  