/settings.php. No require_once here. */ $meta['color_open'] = ['string', '_pattern' => '/^#[0-9a-fA-F]{6}$/']; $meta['color_resolved'] = ['string', '_pattern' => '/^#[0-9a-fA-F]{6}$/']; $meta['embed_max_bytes'] = ['numeric', '_min' => 1024]; $meta['context_length'] = ['numeric', '_min' => 0, '_max' => 1000]; $meta['body_cap'] = ['numeric', '_min' => 100];