Mejora la aprobación de tus pagos

<?php
  // ...
  $payer = new MercadoPago\Payer();
  $payer->name = "Charles";
  $payer->surname = "Luevano";
  $payer->email = "charles@hotmail.com";
  $payer->date_created = "2018-06-02T12:58:41.425-04:00";
  $payer->phone = array(
    "area_code" => "",
    "number" => "949 128 866"
  );
  
  $payer->identification = array(
    "type" => "DNI",
    "number" => "12345678"
  );
  
  $payer->address = array(
    "street_name" => "Cuesta Miguel Armendáriz",
    "street_number" => 1004,
    "zip_code" => "11020"
  );
  // ...
?>

// ...
var payer = {
  name: "Charles",
  surname: "Luevano",
  email: "charles@hotmail.com",
  date_created: "2015-06-02T12:58:41.425-04:00",
  phone: {
    area_code: "",
    number: "949 128 866"
  },
  
  identification: {
    type: "DNI",
    number: "12345678"
  },
  
  address: {
    street_name: "Cuesta Miguel Armendáriz",
    street_number: "1004",
    zip_code: "11020"
  }
}
// ...

// ...
Payer payer = new Payer();
payer.setName("Charles")
     .setSurname("Luevano")
     .setEmail("charles@hotmail.com")
     .setDateCreated("2018-06-02T12:58:41.425-04:00")
     .setPhone(new Phone()
        .setAreaCode("")
        .setPhoneNumber("949 128 866"))
     
     .setIdentification(new Identification()
        .setType("DNI")
        .setNumber("12345678"))
     
     .setAddress(new Address()
        .setStreetName("Cuesta Miguel Armendáriz")
        .setBuildingNumber("1004")
        .setZipCode("11020"));
// ...

# ...
payer = MercadoPago::Payer.new({
  name: "Charles"
  surname: "Luevano"
  email: "charles@hotmail.com"
  date_created: Time.now
  phone: MercadoPago::Phone.new({
    area_code: "",
    number: "949 128 866"
  })
  
  identification: MercadoPago::Identification.new({
    type: "DNI",
    number: "12345678"
  })
  
  address: MercadoPago::Address.new ({
    street_name: "Cuesta Miguel Armendáriz",
    street_number: "1004",
    zip_code: "11020"
  })
})
# ...

using MercadoPago;
using MercadoPago.Resources;
using MercadoPago.DataStructures.Preference;
// ...
Payer payer = new Payer()
{
    Name = "Charles",
    Surname = "Luevano",
    Email = "charles@hotmail.com",
    Phone = new Phone()
    {
        AreaCode = "",
        Number = "949 128 866"
    },
    
    Identification = new Identification()
    {
        Type = "DNI",
        Number = "12345678"
    },
    
    Address = new Address()
    {
        StreetName = "Cuesta Miguel Armendáriz",
        StreetNumber = int.Parse("1004"),
        ZipCode = "11020"
    }
};
// ...

<?php
  $item = new MercadoPago\Item();
  $item->id = "1234";
  $item->title = "Heavy Duty Plastic Table";
  $item->quantity = 7;
  $item->currency_id = "ARS";
  $item->unit_price = 75.56;
  // ...
?>

// ...
items: [
    {
      id: '1234',
      title: 'Lightweight Paper Table',
      quantity: 3,
      currency_id: 'ARS',
      unit_price: 55.41
    }
  ]// ...

// ...
Item item = new Item();
item.setId("1234")
    .setTitle("Lightweight Paper Table")
    .setQuantity(3)
    .setCurrencyId("ARS")
    .setUnitPrice((float) 55.41);
// ...

# ...
item = MercadoPago::Item.new({
  id: "1234",
  title: "Lightweight Paper Table",
  quantity: 3,
  currency_id: "ARS",
  unit_price: 55.41
})# ...

// ...
preference.Items.Add(
  new Item()
  {
    Id = "1234",
    Title = "Lightweight Paper Table",
    Quantity = 3,
    CurrencyId = "ARS",
    UnitPrice = (float)55.41
  }
);
// ...