php5-dev-dbgsym 5.6.16+dfsg-1ubuntu1 (amd64 binary) in ubuntu xenial

 This package provides the files from the PHP5 source needed for compiling
 additional modules.
 .
 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.