null, 'left' => null, 'right' => null, 'bottom' => null, // --- Default left column when `left` is null --- // Use holder_name + holder_url for a safe link (holder HTML is escaped if used alone). 'holder_name' => 'Anton Afanasyeu', 'holder_url' => 'https://f0xx.org', 'holder' => null, 'copyright_symbol' => '', 'show_year' => true, // null = current calendar year at render time (end of range). 'year' => null, // Integer start year. With year_through_current: "2026 - current" (literal suffix). // Without it: "2026–2027" range (en dash) or lone "2026" when start equals end year. 'year_start' => 2026, 'year_through_current' => true, // CSS class on