Xmf\Highlighter is a class used to highlight terms in text. It's most common use is highlighting search terms in content.
Apply a highlight to any occurrences of $words found in the $body text, surrounding each with $pre in front and $post behind. Considers only occurrences of words outside of HTML tags.
$words is an array of strings to find and highlight. If it is a string, it is treated as a set of space delimited words and converted to an array of strings.
$body is text to which highlight is to be applied.
$pre is the markup to be used to start a highlight. By default, it is "".
$post is the markup to be used to start a highlight. By default, it is "</strong>".
The highlighted version of $body is returned.