options_group_slug); if (!! $options_group) { foreach ($options_group as $setting_key => $setting_value) { $this->set_setting_value($setting_key, $setting_value); } } } public function add_settings_section(): void { add_settings_section( $this->section_slug, __( $this->title, 'footnotes'), array($this, 'setting_section_callback'), 'footnotes' ); } public function add_settings_fields($component): void { foreach($this->settings_groups as $settings_group) { $settings_group->add_settings_fields($component); } } public function setting_section_callback(): void { echo "

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"; } protected abstract function add_settings_groups(): void; public function get_options_group_slug(): string { return $this->options_group_slug; } public function get_section_slug(): string { return $this->section_slug; } public function get_title(): string { return $this->title; } public function get_settings_group(string $group_id) { return $this->settings_groups[$group_id]; } public function get_setting(string $setting_key): ?Setting { foreach ($this->settings_groups as $settings_group) { $setting = $settings_group->get_setting($setting_key); if ($setting) return $setting; } return null; } public function get_options(): array { $options = array(); foreach ($this->settings_groups as $settings_group) { $options = array_merge($options, $settings_group->get_options()); } return $options; } public function get_setting_value(string $setting_key) { $setting = $this->get_setting($setting_key); if (! $setting) return null; else return $setting->value ?? $setting->default_value ?? trigger_error("No default value found for ".$setting_key.".", E_USER_ERROR); } public function set_setting_value(string $setting_key, $value): ?bool { $setting = $this->get_setting($setting_key); if (! $setting) return null; else return $setting->set_value($value); } }