Now, the problem with such a "solution" is the following. Imagine you have the following keywords:
include
require
in
of
typof
now, when you replace include with <span class="highlighted">include</span>, it'll go on, and also replace all instances of in, so you'll end up with things like <span class="highlighted"><span class="highlighted">in</span>clude</span> (very ugly).
I did encounter this during some experimenting. I figured I'd just sort the array of commands from from shortest strong to longest string. But like you said, far too many embedded <span> tags would result!
*a* way to get around that is by using word boundries around the keyword to be replaced (eg. preg_replace('\(\W|^)+('.$highlight[$i].')(\W|$)\i', '$1<span class="highlight">$2</span>$3') )
My regular expression skills are very basic, but I understand the gist of your preg_replace statement. Now I just need to polish my regex knowledge!
Thanks, -- Aaron Gould Parts Canada - Web Developer
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