Read: http://www.webdevdoor.com/wordpress/removing-emoji-code/
Info credits go to Tom Eliott.
Where we have found it: view-source:https://www.c-sirt.org/en/incidents-on-domain/110.52.223.105
A general php cleansing script: https://github.com/roots/soil/blob/master/modules/clean-up.php
by kevin lisota
polonus