protected $_separator = null;
/**
* Constructor
*
* @param string $separator Space by default
* @return void
*/
public function __construct($separator = ' '
) { $this->
setSeparator($separator);
} /**
* Sets a new seperator
*
* @param string $separator Seperator
* @return $this
*/
public function setSeparator($separator) { if ($separator == null
) {