protected static function h(array $matches)
    {
        $level = strlen($matches[1]);
        return sprintf('<h%d>%s</h%d>', $level, trim($matches[2]), $level);
    }
protected static function h(array $matches)
    {
        $level = strlen($matches[1]);
        return sprintf('<h%d>%s</h%d>', $level, trim($matches[2]), $level);
    }
protected static function h ( array $ matches ) { $ level = strlen ( $ matches [ 1 ] ) ; return sprintf ( '<h%d>%s</h%d>' , $ level , trim ( $ matches [ 2 ] ) , $ level ) ; }
Renders "H" tag
@param array $matches
@return string
Renders H tag