array(9) {
  ["pa_materiales"]=>
  object(WC_Product_Attribute)#40444 (1) {
    ["data":protected]=>
    array(6) {
      ["id"]=>
      int(1)
      ["name"]=>
      string(13) "pa_materiales"
      ["options"]=>
      array(1) {
        [0]=>
        int(85)
      }
      ["position"]=>
      int(0)
      ["visible"]=>
      bool(true)
      ["variation"]=>
      bool(false)
    }
  }
  ["pa_color"]=>
  object(WC_Product_Attribute)#40445 (1) {
    ["data":protected]=>
    array(6) {
      ["id"]=>
      int(3)
      ["name"]=>
      string(8) "pa_color"
      ["options"]=>
      array(1) {
        [0]=>
        int(78)
      }
      ["position"]=>
      int(1)
      ["visible"]=>
      bool(true)
      ["variation"]=>
      bool(false)
    }
  }
  ["pa_marca"]=>
  object(WC_Product_Attribute)#40446 (1) {
    ["data":protected]=>
    array(6) {
      ["id"]=>
      int(4)
      ["name"]=>
      string(8) "pa_marca"
      ["options"]=>
      array(1) {
        [0]=>
        int(97)
      }
      ["position"]=>
      int(2)
      ["visible"]=>
      bool(true)
      ["variation"]=>
      bool(false)
    }
  }
  ["pa_codigo-relacionados-forma"]=>
  object(WC_Product_Attribute)#40447 (1) {
    ["data":protected]=>
    array(6) {
      ["id"]=>
      int(2)
      ["name"]=>
      string(28) "pa_codigo-relacionados-forma"
      ["options"]=>
      array(1) {
        [0]=>
        int(99)
      }
      ["position"]=>
      int(4)
      ["visible"]=>
      bool(true)
      ["variation"]=>
      bool(false)
    }
  }
  ["tamano-baselargo-ancho-alto-cm"]=>
  object(WC_Product_Attribute)#40448 (1) {
    ["data":protected]=>
    array(6) {
      ["id"]=>
      int(0)
      ["name"]=>
      string(33) "Tamaño Base(Largo-Ancho-Alto cm)"
      ["options"]=>
      array(1) {
        [0]=>
        string(17) "26,1 X 18,8 X 5,7"
      }
      ["position"]=>
      int(5)
      ["visible"]=>
      bool(true)
      ["variation"]=>
      bool(false)
    }
  }
  ["peso-gr-base"]=>
  object(WC_Product_Attribute)#40449 (1) {
    ["data":protected]=>
    array(6) {
      ["id"]=>
      int(0)
      ["name"]=>
      string(14) "Peso (gr) Base"
      ["options"]=>
      array(1) {
        [0]=>
        string(4) "21,0"
      }
      ["position"]=>
      int(6)
      ["visible"]=>
      bool(true)
      ["variation"]=>
      bool(false)
    }
  }
  ["tamano-tapa-largo-ancho-mm-alto"]=>
  object(WC_Product_Attribute)#40450 (1) {
    ["data":protected]=>
    array(6) {
      ["id"]=>
      int(0)
      ["name"]=>
      string(34) "Tamaño Tapa (Largo-Ancho mm Alto)"
      ["options"]=>
      array(1) {
        [0]=>
        string(17) "2,62 X 18,7 X 6,1"
      }
      ["position"]=>
      int(7)
      ["visible"]=>
      bool(true)
      ["variation"]=>
      bool(false)
    }
  }
  ["peso-gr-tapa"]=>
  object(WC_Product_Attribute)#40424 (1) {
    ["data":protected]=>
    array(6) {
      ["id"]=>
      int(0)
      ["name"]=>
      string(14) "Peso (gr) Tapa"
      ["options"]=>
      array(1) {
        [0]=>
        string(2) "24"
      }
      ["position"]=>
      int(8)
      ["visible"]=>
      bool(true)
      ["variation"]=>
      bool(false)
    }
  }
  ["pa_temperatura-recomenda"]=>
  object(WC_Product_Attribute)#40483 (1) {
    ["data":protected]=>
    array(6) {
      ["id"]=>
      int(7)
      ["name"]=>
      string(24) "pa_temperatura-recomenda"
      ["options"]=>
      array(1) {
        [0]=>
        int(105)
      }
      ["position"]=>
      int(12)
      ["visible"]=>
      bool(true)
      ["variation"]=>
      bool(false)
    }
  }
}

-----NULL

xxxxstring(13) "pa_materiales" bool(true)

xxxxstring(8) "pa_color" bool(true)

xxxxstring(8) "pa_marca" bool(true)

xxxxstring(28) "pa_codigo-relacionados-forma" bool(true)

xxxxstring(33) "Tamaño Base(Largo-Ancho-Alto cm)" bool(false)

xxxxstring(14) "Peso (gr) Base" bool(false)

xxxxstring(34) "Tamaño Tapa (Largo-Ancho mm Alto)" bool(false)

xxxxstring(14) "Peso (gr) Tapa" bool(false)

xxxxstring(24) "pa_temperatura-recomenda" bool(true)