ICL_LANGUAGE_CODE is part of WPML's coding API. It holds the current language and allows to write code based on it. For example, ICL_LANGUAGE_CODE makes it possible to load different images or CSS in the theme, for different languages.
ICL_LANGUAGE_CODE is part of WPML's coding API. It holds the current language and allows to write code based on it. For example, ICL_LANGUAGE_CODE makes it possible to load different images or CSS in the theme, for different languages.