anchor.diff:  	pdo_mysql
   
   # strings
  -RUN docker-php-ext-install -j$(nproc) \
  -	gettext \
  -	mbstring
  +RUN apt-get update \
  +    && apt-get install -y libonig-dev \
  +    && docker-php-ext-install -j$(nproc) \
  +	    gettext \
  +	    mbstring
   
   # math
   RUN apt-get update \
  
positive.code: FROM php:7.3-fpm
  
  MAINTAINER Jaroslav Hranicka <hranicka@outlook.com>
  
  
negative.code: # * php -d$XDEBUG_EXT vendor/bin/phpunit
  # * php_xdebug vendor/bin/phpunit
  RUN pecl install xdebug-2.8.0
  ENV XDEBUG_EXT zend_extension=/usr/local/lib/php/extensions/no-debug-non-zts-20190902/xdebug.so
  RUN alias php_xdebug="php -d$XDEBUG_EXT vendor/bin/phpunit"
  
  # Install composer and put binary into $PATH
  