Question

I need to display the results of either one or two strings. Each string contains a comma-separated list of items. I need to concatenate them into a single list.

I know how to do the concatenation.

The issue I have is that sometimes the second string contains entries, sometimes it does not.

If the second string contains data, I want to display the concatenated result (first string and second string). If the second string is empty, I only want to display the first string.

Can someone help me figure out how to accomplish this?

Answer 1

Call me crazy, but …

echo $string1;
if($string2 != '') {
  echo ', ', $string2;
}

should be enough?