array(9) {
  ["pa_materiales"]=>
  object(WC_Product_Attribute)#39962 (1) {
    ["data":protected]=>
    array(6) {
      ["id"]=>
      int(1)
      ["name"]=>
      string(13) "pa_materiales"
      ["options"]=>
      array(1) {
        [0]=>
        int(86)
      }
      ["position"]=>
      int(0)
      ["visible"]=>
      bool(true)
      ["variation"]=>
      bool(true)
    }
  }
  ["pa_color"]=>
  object(WC_Product_Attribute)#39961 (1) {
    ["data":protected]=>
    array(6) {
      ["id"]=>
      int(3)
      ["name"]=>
      string(8) "pa_color"
      ["options"]=>
      array(1) {
        [0]=>
        int(77)
      }
      ["position"]=>
      int(1)
      ["visible"]=>
      bool(true)
      ["variation"]=>
      bool(true)
    }
  }
  ["pa_marca"]=>
  object(WC_Product_Attribute)#39960 (1) {
    ["data":protected]=>
    array(6) {
      ["id"]=>
      int(4)
      ["name"]=>
      string(8) "pa_marca"
      ["options"]=>
      array(1) {
        [0]=>
        int(139)
      }
      ["position"]=>
      int(2)
      ["visible"]=>
      bool(true)
      ["variation"]=>
      bool(true)
    }
  }
  ["largocm"]=>
  object(WC_Product_Attribute)#39959 (1) {
    ["data":protected]=>
    array(6) {
      ["id"]=>
      int(0)
      ["name"]=>
      string(9) "Largo(cm)"
      ["options"]=>
      array(1) {
        [0]=>
        string(5) "22.48"
      }
      ["position"]=>
      int(3)
      ["visible"]=>
      bool(true)
      ["variation"]=>
      bool(true)
    }
  }
  ["anchocm"]=>
  object(WC_Product_Attribute)#39958 (1) {
    ["data":protected]=>
    array(6) {
      ["id"]=>
      int(0)
      ["name"]=>
      string(9) "Ancho(cm)"
      ["options"]=>
      array(1) {
        [0]=>
        string(5) "19.90"
      }
      ["position"]=>
      int(4)
      ["visible"]=>
      bool(true)
      ["variation"]=>
      bool(true)
    }
  }
  ["altocm"]=>
  object(WC_Product_Attribute)#39957 (1) {
    ["data":protected]=>
    array(6) {
      ["id"]=>
      int(0)
      ["name"]=>
      string(8) "Alto(cm)"
      ["options"]=>
      array(1) {
        [0]=>
        string(4) "9.00"
      }
      ["position"]=>
      int(5)
      ["visible"]=>
      bool(true)
      ["variation"]=>
      bool(true)
    }
  }
  ["pesogr"]=>
  object(WC_Product_Attribute)#39956 (1) {
    ["data":protected]=>
    array(6) {
      ["id"]=>
      int(0)
      ["name"]=>
      string(8) "Peso(gr)"
      ["options"]=>
      array(1) {
        [0]=>
        string(5) "39.10"
      }
      ["position"]=>
      int(6)
      ["visible"]=>
      bool(true)
      ["variation"]=>
      bool(true)
    }
  }
  ["pa_temperatura-recomenda"]=>
  object(WC_Product_Attribute)#39852 (1) {
    ["data":protected]=>
    array(6) {
      ["id"]=>
      int(7)
      ["name"]=>
      string(24) "pa_temperatura-recomenda"
      ["options"]=>
      array(1) {
        [0]=>
        int(93)
      }
      ["position"]=>
      int(7)
      ["visible"]=>
      bool(true)
      ["variation"]=>
      bool(true)
    }
  }
  ["pa_codigo-relacionados-forma"]=>
  object(WC_Product_Attribute)#39968 (1) {
    ["data":protected]=>
    array(6) {
      ["id"]=>
      int(2)
      ["name"]=>
      string(28) "pa_codigo-relacionados-forma"
      ["options"]=>
      array(1) {
        [0]=>
        int(96)
      }
      ["position"]=>
      int(8)
      ["visible"]=>
      bool(true)
      ["variation"]=>
      bool(true)
    }
  }
}

-----NULL

xxxxstring(13) "pa_materiales" bool(true)

xxxxstring(8) "pa_color" bool(true)

xxxxstring(8) "pa_marca" bool(true)

xxxxstring(9) "Largo(cm)" bool(false)

xxxxstring(9) "Ancho(cm)" bool(false)

xxxxstring(8) "Alto(cm)" bool(false)

xxxxstring(8) "Peso(gr)" bool(false)

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

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