php5-phpdbg-dbgsym 5.6.17+dfsg-3ubuntu1 (amd64 binary) in ubuntu xenial

 This package provides the /usr/bin/phpdbg command interpreter, useful for
 stepthrough debugging of PHP code.
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 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.