/**
  * Parse a query string into a Query object.
  *
  * @param Query       $query       Query object to populate
  * @param string      $str         Query string to parse
  * @param bool|string $urlEncoding How the query string is encoded
  */
 public function parseInto(Query $query, $str, $urlEncoding = true)
 {
     if ($str === '') {
         return;
     }
     $result = [];
     $this->duplicates = false;
     $this->numericIndices = true;
     $decoder = self::getDecoder($urlEncoding);
     foreach (explode('&', $str) as $kvp) {
         $parts = explode('=', $kvp, 2);
         $key = $decoder($parts[0]);
         $value = isset($parts[1]) ? $decoder($parts[1]) : null;
         // Special handling needs to be taken for PHP nested array syntax
         if (strpos($key, '[') !== false) {
             $this->parsePhpValue($key, $value, $result);
             continue;
         }
         if (!isset($result[$key])) {
             $result[$key] = $value;
         } else {
             $this->duplicates = true;
             if (!is_array($result[$key])) {
                 $result[$key] = [$result[$key]];
             }
             $result[$key][] = $value;
         }
     }
     $query->replace($result);
     if (!$this->numericIndices) {
         $query->setAggregator(Query::phpAggregator(false));
     } elseif ($this->duplicates) {
         $query->setAggregator(Query::duplicateAggregator());
     }
 }