It's stats o'clock! See 2014 [https://seld.be/notes/my-view-of-php-version-adoption], 2015 [https://seld.be/notes/php-versions-stats-2015-edition], 2016.1 [https://seld.be/notes/php-versions-stats-2016-1-edition], 2016.2 [https://seld.be/notes/php-versions-stats-2016-2-edition], 2017.1 [https://seld.be/notes/php-versions-stats-2017-1-edition], 2017.2 [https://seld.be/notes/php-versions-stats-2017-2-edition] and 2018.