php - 如何使用 cURL 获取 JSON 数据并解码数据？

Question

所以我有一个返回 JSON 对象的链接，我需要将其解码并放入 PHP 中的变量中。

网址

api.php?action=getThreads&hash=123fajwersa&node_id=4&order_by=post_date&order=desc&limit=1&grab_content&content_limit=1

这是它返回的对象

{
    "count": 1,
    "threads": {
        "38752": {
            "thread_id": 38752,
            "node_id": 4,
            "title": "The ShadyCraft Beta Launch!",
            "reply_count": 45,
            "view_count": 946,
            "user_id": 2,
            "username": "Shady",
            "post_date": 1366956695,
            "sticky": 0,
            "discussion_state": "visible",
            "discussion_open": 1,
            "discussion_type": "",
            "first_post_id": 226167,
            "first_post_likes": 7,
            "last_post_date": 1369094302,
            "last_post_id": 228226,
            "last_post_user_id": 2,
            "last_post_username": "Shady",
            "prefix_id": 19,
            "tinhte_xentag_tags": "a:4:{i:0;s:9:\"minecraft\";i:2;s:4:\"news\";i:3;s:14:\"private server\";i:1;s:10:\"shadycraft\";}",
            "content": {
                "count": 1,
                "content": {
                    "226167": {
                        "post_id": 226167,
                        "thread_id": 38752,
                        "user_id": 2,
                        "username": "Shady",
                        "post_date": 1366956695,
                        "message": "[ATTACH=full]4143[\/ATTACH]\n \nWe've completely restructured ShadyCraft, and today will be the launch of the ShadyCraft beta.\n \nCurrent Features\n[LIST]\n[*]Towns\n[*]Nations\n[*]All out wars\n[*]A live update map\n[*]No White-list\n[*]Earn Money\n[*]Griefing allowed where possible\n[\/LIST]\nThese are just some features which have a lot more things behind them. For instance, there is town and nation upkeep, tax, kingdoms, mayors, and kings.\n \nWe really wanted to have the server self-governed and this is why griefing and PvP are allowed where ever they are possible. All towns and nations cannot be griefed by other members. You can create a town and buy plots for it and expand the town as you wish.\n \n[SIZE=4]All of this is shown in the live updating map located [URL='http:\/\/50.7.6.116:8123']here[\/URL].[\/SIZE]\n \n[SIZE=4][SIZE=6]Join the Beta Now[\/SIZE][\/SIZE]\n[SIZE=6]Server-IP: 50.7.6.116[\/SIZE]\n \n \n[USER=118053]Frenchy[\/USER] and [USER=4863]Wolfbane[\/USER]",
                        "ip_id": 747429,
                        "message_state": "visible",
                        "attach_count": 1,
                        "position": 0,
                        "likes": 7,
                        "like_users": "a:5:{i:0;a:2:{s:7:\"user_id\";i:105699;s:8:\"username\";s:6:\"kvothe\";}i:1;a:2:{s:7:\"user_id\";i:146724;s:8:\"username\";s:12:\"Graveyard219\";}i:2;a:2:{s:7:\"user_id\";i:70182;s:8:\"username\";s:9:\"wmbrown18\";}i:3;a:2:{s:7:\"user_id\";i:5473;s:8:\"username\";s:9:\"Oblivious\";}i:4;a:2:{s:7:\"user_id\";i:118053;s:8:\"username\";s:7:\"Frenchy\";}}",
                        "warning_id": 0,
                        "warning_message": "",
                        "anonymous_posting_real_user_id": 0,
                        "anonymous_posting_real_username": ""
                    }
                }
            }
        }
    }
}

我真的只对

"title":"The ShadyCraft Beta Launch!",  
"reply_count:"45, 
"view_count": 946,  
"user_id":2, 
"username":"Shady", 
"post_date":1366956695, 
"sticky":0, 
"discussion_state":"visible",
"discussion_open":1,

最后是消息

[ATTACH=full]4143[/ATTACH]

We've completely restructured ShadyCraft, and today will be the launch of the ShadyCraft beta.

Current Features
[LIST]
[*]Towns
[*]Nations
[*]All out wars
[*]A live update map
[*]No White-list
[*]Earn Money
[*]Griefing allowed where possible
[/LIST]
These are just some features which have a lot more things behind them. For instance, there is town and nation upkeep, tax, kingdoms, mayors, and kings.

We really wanted to have the server self-governed and this is why griefing and PvP are allowed where ever they are possible. All towns and nations cannot be griefed by other members. You can create a town and buy plots for it and expand the town as you wish.

[SIZE=4]All of this is shown in the live updating map located [URL='http://50.7.6.116:8123']here[/URL].[/SIZE]

[SIZE=4][SIZE=6]Join the Beta Now[/SIZE][/SIZE]
[SIZE=6]Server-IP: 50.7.6.116[/SIZE]


[USER=118053]Frenchy[/USER] and [USER=4863]Wolfbane[/USER]

那么如何提取 JSON 对象并将其放入 PHP 中的更正变量中，以便以后使用？

变量如：$username, $user_id, $message, $title, $discussionState, 等等。

我只需要知道如何检索 JSON 对象，然后将数据提取到 PHP 中的变量中。

我现在能够获取 PHP 数组，但在调用正确值时遇到了一些麻烦。这是数组。

自从我们开始将 phanime 论坛与主站点集成以来已经有一段时间了。我们现在已经完成了与 phanime 论坛和主站点的集成。您将不再注意到有两个平台运行 phanime，而是只有一个。我们的下一步是为论坛设置主题，使其看起来像主站点！[ip_id] => 268 [message_state] => 可见 [attach_count] => 0 [position] => 0 [likes] => 0 [like_users] => a:0:{} [warning_id] => 0 [warning_message] => ) ) ) ) ) )

现在假设这个数组被命名$array为获取第一个元素的值“[count]”，我不能只说以下内容：print $array["[count]"] <-- 这会返回一个错误。

那么作为数组本身具有值的元素呢，即[threads]元素。我如何获得，也许是[thread_id]元素的价值？

score 283 · Accepted Answer

我想这个会回答你的问题：P

$url="https://.../api.php?action=getThreads&hash=123fajwersa&node_id=4&order_by=post_date&order=‌desc&limit=1&grab_content&content_limit=1";

使用cURL

//  Initiate curl
$ch = curl_init();
// Will return the response, if false it print the response
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
// Set the url
curl_setopt($ch, CURLOPT_URL,$url);
// Execute
$result=curl_exec($ch);
// Closing
curl_close($ch);

// Will dump a beauty json :3
var_dump(json_decode($result, true));

使用file_get_contents

$result = file_get_contents($url);
// Will dump a beauty json :3
var_dump(json_decode($result, true));

访问

$array["threads"][13/* thread id */]["title"/* thread key */]

和

$array["threads"][13/* thread id */]["content"/* thread key */]["content"][23/* post id */]["message" /* content key */];

score 11 · Accepted Answer

要获取不需要使用 cURL 的对象（您正在将另一个 dll 加载到内存中并具有另一个依赖项，除非您真的需要 curl 我会坚持使用内置的 php 函数），您可以使用一个简单的 php file_get_contents(url)功能：http: //il1.php.net/manual/en/function.file-get-contents.php

$unparsed_json = file_get_contents("api.php?action=getThreads&hash=123fajwersa&node_id=4&order_by=post_date&order=desc&limit=1&grab_content&content_limit=1");

$json_object = json_decode($unparsed_json);

然后 json_decode() 将 JSON 解析为 PHP 对象，如果传递true给第二个参数，则为数组。 http://php.net/manual/en/function.json-decode.php

例如：

$json = '{"a":1,"b":2,"c":3,"d":4,"e":5}';

var_dump(json_decode($json));           // Object
var_dump(json_decode($json, true));     // Associative array

score 9 · Accepted Answer

您可以将其用于卷曲：

function fakeip()  
{  
    return long2ip( mt_rand(0, 65537) * mt_rand(0, 65535) );   
}  

function getdata($url,$args=false) 
{ 
    global $session; 
    $ch = curl_init(); 
    curl_setopt($ch, CURLOPT_URL,$url); 
    curl_setopt($ch, CURLOPT_HTTPHEADER, array("REMOTE_ADDR: ".fakeip(),"X-Client-IP: ".fakeip(),"Client-IP: ".fakeip(),"HTTP_X_FORWARDED_FOR: ".fakeip(),"X-Forwarded-For: ".fakeip())); 
    if($args) 
    { 
        curl_setopt($ch, CURLOPT_POST, 1); 
        curl_setopt($ch, CURLOPT_POSTFIELDS,$args); 
    } 
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); 
    //curl_setopt($ch, CURLOPT_PROXY, "127.0.0.1:8888"); 
    $result = curl_exec ($ch); 
    curl_close ($ch); 
    return $result; 
}

然后读取 Json：

$result=getdata("https://example.com");

然后：

///Deocde Json
$data = json_decode($result,true);
///Count
             $total=count($data);
             $Str='<h1>Total : '.$total.'';
             echo $Str;
//You Can Also Make In Table:
             foreach ($data as $key => $value)
              {
          echo '  <td><font  face="calibri"color="red">'.$value[type].'   </font></td><td><font  face="calibri"color="blue">'.$value[category].'   </font></td><td><font  face="calibri"color="green">'.$value[amount].'   </font></tr><tr>';

           }
           echo "</tr></table>";
           }

你也可以使用这个：

echo '<p>Name : '.$data['result']['name'].'</p>
      <img src="'.$data['result']['pic'].'"><br>';

希望这有帮助。

score 0 · Accepted Answer

0

使用这个函数：http ://br.php.net/json_decode 这将自动创建 PHP 数组。

于 2013-05-22T20:25:59.323 回答

score 0 · Accepted Answer

0

你也可以使用

$result = curl_exec($ch);
return response()->json(json_decode($result));

于 2018-10-24T15:02:51.650 回答

score -2 · Accepted Answer

你可以使用这个：

curl_setopt_array($ch, $options);
$resultado = curl_exec($ch);
$info = curl_getinfo($ch);
print_r($info["url"]);

php - 如何使用 cURL 获取 JSON 数据并解码数据？

6 回答 6

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