Weak hands cannot be planted, meager skills have no foundation. Shallow wisdom is futile, how can one hope for a good name?扰扰从役倦，屑屑身事微。少壮轻年月，迟暮惜光辉。
id = $data['id'] ?? '';
$this->title = $data['title'] ?? '';
$this->folder = $data['folder'] ?? $this->id;
$this->file = $data['file'] ?? $this->id . '.php';
$this->admin_url = $data['admin_url'] ?? '';
$this->add_form_url = $data['add_form_url'] ?? '';
$this->edit_url = $data['edit_url'] ?? '';
$this->url = $data['url'] ?? '';
$this->download_url = $data['download_url'] ?? '';
$this->icon = $data['icon'] ?? Functions::get_frontend_url() . 'icons/' . $this->id . '.svg';
$this->is_view_form_hidden = $data['is_view_form_hidden'] ?? true;
$this->is_edit_form_hidden = $data['is_edit_form_hidden'] ?? false;
$this->can_toggle_forms = $data['can_toggle_forms'] ?? true;
}
public function to_array(): array {
return array(
'id' => $this->id,
'folder' => $this->folder,
'file' => $this->f