Question

我有这段代码：

<?php
require_once ('mercadopago.php');

$monto = $_POST['amount'];

$mp = new MP('XXXX', 'XXXXXXXXXXX');

$preference_data = array(
    "items" => array(
       array(
           "title" => "item",
           "quantity" => 1,
           "currency_id" => "usd",
           "unit_price" => HERE
       )
    )
);

$preference = $mp->create_preference ($preference_data);

?>

我需要制作我发布之前定义的变量$ monto，以便将其值赋予＆＃34; Unit_price＆＃34;在哪里说＆＃34; HERE＆＃34;。我试着写$ monto，但它没有用。

有一些我怎么做到这一点？谢谢你，对不起我的英语。它不太好。

Answer 1

您可以使用变量，例如：

//check if your POST data is not empty and assign some default value in case its empty
$monto = (!empty($_POST['amount'])) ? $_POST['amount'] : 0; //0 is default value
$preference_data = array(
    "items" => array(
       array(
           "title" => "item",
           "quantity" => 1,
           "currency_id" => "usd",
           "unit_price" => $monto
       )
    )
);

Answer 2

<?php
$preference_data = array(
    "items" => array(
        array(
            "title" => "RosquinhaPvP - NickDoPlayer - VIP",
            "quantity" => 1,
            "currency_id" => "BRL",
            "unit_price" => doubleval($monto)
        )
    )
);

如何将变量值插入数组键？

2 个答案: