Question

这部分：

$response_2 = json_decode($response_2, true);

...下面的代码在浏览器中按字面意思回显为“数组”。如果删除该部分，则完整的$ response_2将以JSON格式在浏览器中回显，就像在此示例中一样：https://developer.spotify.com/web-api/get-list-users-playlists/

怎么回事？

<?php

$url = 'https://accounts.spotify.com/api/token';
$method = 'POST';

$credentials = "hidden:hidden";

$headers = array(
        "Accept: */*",
        "Content-Type: application/x-www-form-urlencoded",
        "Authorization: Basic " . base64_encode($credentials));
$data = 'grant_type=client_credentials';

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$response = curl_exec($ch);

curl_close($ch);

$response = json_decode($response, true);

$token = $response['access_token'];

echo "My token is: " . $token;

$headers_2 = array(
        "Accept: */*",
        "Content-Type: application/x-www-form-urlencoded",
        ('Authorization: Bearer ' . $token));

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL,'https://api.spotify.com/v1/users/wizzler/playlists');
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers_2);
curl_setopt($ch, CURLOPT_POST, false);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$response_2 = curl_exec($ch);

curl_close($ch);

$response_2 = json_decode($response_2, true);

echo $response_2;

?>

Answer 1

在数组上使用echo时，它只打印出文字字符串Array。这只是PHP的一个怪癖。

如果要打印出阵列的内容，可以使用print_r()或var_dump()。

然而，看起来你真正想要做的就是打印JSON，这是字符串。 $response_2已经是一个字符串，所以打印出来。

JSON解码显示＆＃34;数组＆＃34;

1 个答案: