/**
* Overload object factory for Singleton
*
* @return bConverter|null|static
*/
public static function create()
{
if (self::$_instance === null) {
self::$_instance = parent::create(func_get_args());
}
return self::$_instance;
}
/**
* Set format if it type is string. Or provide this request to inner component (decor it)
*
* @param null $format - format name
* @return null|bConverter__instance - for chaining
*/
public final function setFormat($format = null)
{
if ($this->_component !== null) {
return $this->_component->setFormat($format);
}
if (is_string($format)) {
$this->_format = $format;
}
return $this->_parent->output();
}
