This page explains what is in the return package of the search services: When the results are returned that are in the form of an indexed array of associative arrays. Each array can be accessed by the zero based index number in a for loop or through a foreach loop:

for loop

for($i=0;$i<count($results);$i++){
  $result = $results[$i];
  echo $result['title'];
}

foreach loop

foreach($results as $result
  echo $result['title'];
}

Parameters