Truncates a value to "n" words and appends an ellipsis (…).
truncatechars_html
Truncates a value to "n"characters and appends an ellipsis (…). It does not count HTML tags as characters and closes any tags that were left open as a result of the truncation.
truncatewords_html
Truncates a value to "n" words and appends an ellipsis (…). It does not count HTML tags as words and closes any tags that were left open as a result of the truncation.