public function getWriterClassNameByFormat($format)
    {
        $format = strtolower($format);
        foreach ($this->writers as $writer) {
            $class = get_class($writer);
            $name  = strtolower(substr($class, strrpos($class, '\\') + 1));

            if ($name == $format) {
                return $class;
            }
        }

        return null;
    }
public function getWriterClassNameByFormat($format)
    {
        $format = strtolower($format);
        foreach ($this->writers as $writer) {
            $class = get_class($writer);
            $name  = strtolower(substr($class, strrpos($class, '\\') + 1));

            if ($name == $format) {
                return $class;
            }
        }

        return null;
    }
public function getWriterClassNameByFormat ( $ format ) { $ format = strtolower ( $ format ) ; foreach ( $ this -> writers as $ writer ) { $ class = get_class ( $ writer ) ; $ name = strtolower ( substr ( $ class , strrpos ( $ class , '\\' ) + 1 ) ) ; if ( $ name == $ format ) { return $ class ; } } return null ; }
Returns a writer class by the class short name

@param string $format
@return string|null
Returns a writer class by the class short name