original_string: public function getUniqueSiteTimezones()
      {
          $results = Db::fetchAll("SELECT distinct timezone FROM " . $this->table);
  
          $timezones = array();
          foreach ($results as $result) {
              $timezones[] = $result['timezone'];
          }
  
          return $timezones;
      }
code: public function getUniqueSiteTimezones()
      {
          $results = Db::fetchAll("SELECT distinct timezone FROM " . $this->table);
  
          $timezones = array();
          foreach ($results as $result) {
              $timezones[] = $result['timezone'];
          }
  
          return $timezones;
      }
code_tokens: public function getUniqueSiteTimezones ( ) { $ results = Db :: fetchAll ( "SELECT distinct timezone FROM " . $ this -> table ) ; $ timezones = array ( ) ; foreach ( $ results as $ result ) { $ timezones [ ] = $ result [ 'timezone' ] ; } return $ timezones ; }
docstring: Returns the list of unique timezones from all configured sites.
  
  @return array ( string )
docstring_tokens: Returns the list of unique timezones from all configured sites .