php7.3-phpdbg 7.3.0~rc5-2build1 (s390x binary) in ubuntu disco

 This package provides the /usr/bin/phpdbg command interpreter, useful for
 stepthrough debugging of PHP code.
 .
 The following extensions are built in: Core date filter hash libxml openssl
 pcntl pcre Reflection session sodium SPL standard zlib.
 .
 PHP (recursive acronym for PHP: Hypertext Preprocessor) is a widely-used
 open source general-purpose scripting language that is especially suited
 for web development and can be embedded into HTML.