App\Models\SubMenu {#413
  #table: "tbl_sub_menu"
  #primaryKey: "sub_menu_id"
  +timestamps: false
  #connection: "mysql"
  #keyType: "int"
  +incrementing: true
  #with: []
  #withCount: []
  #perPage: 15
  +exists: true
  +wasRecentlyCreated: false
  #attributes: array:7 [
    "sub_menu_id" => 12
    "menu_id" => 3
    "name" => "News"
    "slug" => "news"
    "sorts" => "13"
    "content" => null
    "status" => 1
  ]
  #original: array:7 [
    "sub_menu_id" => 12
    "menu_id" => 3
    "name" => "News"
    "slug" => "news"
    "sorts" => "13"
    "content" => null
    "status" => 1
  ]
  #changes: []
  #casts: []
  #dates: []
  #dateFormat: null
  #appends: []
  #dispatchesEvents: []
  #observables: []
  #relations: []
  #touches: []
  #hidden: []
  #visible: []
  #fillable: []
  #guarded: array:1 [
    0 => "*"
  ]
}