anchor.diff:  			calendar \
   			gettext \
   			mbstring \
  +			mcrypt \
   			mysqli \
   			opcache \
   			pdo_mysql \
   			sockets \
   			xsl \
   			zip \
  -		# libzip required for PHP > 7.2
  -		&& docker-php-ext-configure zip --with-libzip \
  -		&& docker-php-ext-install zip \
   		# https://bugs.php.net/bug.php?id=70751
  -		# Memcache config below will not work with Alpine PHP > 7.2
   		&& curl -Ls https://github.com/websupport-sk/pecl-memcache/archive/NON_BLOCKING_IO_php7.tar.gz | tar xz -C / \
   		&& cd /pecl-memcache-NON_BLOCKING_IO_php7 \
   		&& phpize && ./configure && make && make install \
  
positive.code: RUN set -xe \
  		&& apk add --no-cache --virtual .phpext-builddeps \
  			gettext-dev \
  			libxslt-dev \
  			libzip-dev \
  			zlib-dev \
  			libmemcached-dev \
  			autoconf \
  
negative.code: 		&& rm -rf /pecl-memcache-NON_BLOCKING_IO_php7 \
  		&& apk add --virtual .phpext-rundeps \
  			gettext \
  			libmcrypt \
  			libxslt \
  			libmemcached-libs \
  		&& apk del .phpext-builddeps
  