id = "00001"; $item1->title = "item"; $item1->quantity = 1; $item1->unit_price = 100; $item2 = new MercadoPago\Item(); $item2->id = "00002"; $item2->title = "item"; $item2->quantity = 1; $item2->unit_price = 100; $preference->items = array($item1, $item2); $preference->payment_methods = array( "excluded_payment_types" => array( array("id" => "credit_card") ), "installments" => 12 ); $preference->external_reference = "A Custom External Reference"; $preference->save(); # Save the preference and send the HTTP Request to create # Return the HTML code for button echo " Pagar "; ?>