CoreCore Core is the set of software required to run WordPress. The Core Development Team builds WordPress. needs some PHP7-syntax files for the tests folder (latest PHPUnit requires PHP7) to provide a compatibility layer which operates between PHPPHP 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. http://php.net/manual/en/intro-whatis.php. 5.2 and 7.2 with the default-installed PHPUnit
We’ve previously enabled PHP7 linting for meta.svn and plugins.svn, can we extend that linting to all svn’s?
I don’t expect that a PHP5-specific lint is really required by any of the remaining repo’s. bbPressbbPress Free, open source software built on top of WordPress for easily creating forums on sites. https://bbpress.org./BuddyPress/core are going to need PHP7 files at some point, glotpress/w.org/code/etc would benefit from PHP7 syntax too.
ref: https://meta.trac.wordpress.org/ticket/3506 & https://core.trac.wordpress.org/ticket/43218