<?php 
defined('C5_EXECUTE') or die("Access Denied.");
 
class SearchBlockController extends Concrete5_Controller_Block_Search {
 
   public function highlightedExtendedMarkup($fulltext, $highlight) {
      $text = @preg_replace("#\n|\r#", ' ', $fulltext);
 
      $matches = array();
      $highlight = str_replace(array('"',"'","""),'',$highlight); // strip the quotes as they mess the regex
 
      if (!$highlight) {
         $text = Loader::helper('text')->shorten($fulltext, 180);
         if (strlen($fulltext) > 180) {
            $text . '…<wbr>';
         }
         return $text;
      }
 
      // added white space character at beginning and end so words aren't cut off
      $chars = "[[:alnum:]\'\._,;:-–—\s]{0,60}";
      $regex = '(\s' . $chars . ')'. $highlight .'(' . $chars . '\s)';
 
      // this is the original regex, simply commented out for reference
      // $regex = '([[:alnum:]|\'|\.|_|\s]{0,45})'. $highlight .'([[:alnum:]|\.|_|\s]{0,45})';
 
      preg_match_all("#$regex#ui", $text, $matches);
 
      if(!empty($matches[0])) {
         $body_length = 0;
         $body_string = array();
         foreach($matches[0] as $line) {
            $body_length += strlen($line);
 
            $r = $this->highlightedMarkup($line, $highlight);
            if ($r) {
               $body_string[] = $r;
            }
            if($body_length > 150)
               break;
         }
         if(!empty($body_string))
            // also added spaces around the ellipses
            return @implode(" … <wbr>", $body_string);
      }
   }
 
}