Convert comma separated string into array

Question

I have a comma separated string, which consists of a list of tags and want to convert it to array to get a link for every tag.

Example:

$string = \'h         


        

Answer 1

function info_get_tags($arg)
{
    global $u;
    if (empty($arg)) return '';
    return ltrim(preg_replace('/([^\,]+)/', ' ${1}', $arg));
}