php - json_decode一个json字符为什么还是字符-PHP中文网问答

讲师中心微信公众号

首页

文章

后端开发 web前端数据库开发工具 php框架常见问题人工智能 Java 系统教程电脑教程硬件教程手机教程软件教程游戏教程自媒体新闻

专题

后端开发 web前端数据库开发工具 php框架人工智能 Java 系统教程电脑教程硬件教程手机教程软件教程游戏教程新闻

AI工具

AI 聊天问答 Agent智能体 AI 文本写作 AI 绘画作图 AI 设计工具 AI 视频创作 AI 音频制作 AI 办公学习 AI 编程开发 AI 提示词

学习

大前端后端开发数据库移动端运维开发计算机基础

编程手册

大前端后端开发数据库移动端运维开发计算机基础

下载

js特效网站源码工具下载类库下载网站素材学习资源插件扩展手机游戏

最近更新

php - json_decode一个json字符为什么还是字符

天蓬老师 2017-04-10 14:36:31

[PHP讨论组]

1120

$json_data=file_get_contents('http://www.btc38.com/trade/getTradeList.php?coinname=XRP');
$data=json_decode($json_data,true);
var_dump($data);//为什么仍然输出字符串？？？？

ps:在jslint.com 测试$json_data为valid

天蓬老师

欢迎选择我的课程，让我们一起见证您的进步~~

全部回复(3)

PHPz2017-04-10 14:38:31 3楼

BOM！

我直接 echo 从网页获取到的内容，然后传递给 json_pp：

>>> php a.php | json_pp
malformed JSON string, neither array, object, number, string or atom, at character offset 0 (before "\x{ef}\x{bb}\x{bf}{"...") at /usr/bin/core_perl/json_pp line 44.

赞 +0

添加回复

伊谢尔伦2017-04-10 14:38:31 2楼

我这里没有问题啊：

{"buyOrder":[{"price":"0.222000","amount":"63077.877631"},{"price":"0.221000","amount":"82921.415688"},{"price":"0.220000","amount":"53624.458032"},{"price":"0.219000","amount":"120232.956415"},{"price":"0.218000","amount":"58609.097966"},{"price":"0.217000","amount":"48330.724883"},{"price":"0.216000","amount":"15955.233203"},{"price":"0.215000","amount":"146085.153646"},{"price":"0.214000","amount":"17075.000000"},{"price":"0.213000","amount":"18729.000000"}], "sellOrder":[{"price":"0.223000","amount":"10724.828662"},{"price":"0.224000","amount":"133336.648858"},{"price":"0.225000","amount":"140519.661232"},{"price":"0.226000","amount":"10095.282427"},{"price":"0.227000","amount":"26586.879929"},{"price":"0.228000","amount":"27247.504336"},{"price":"0.229000","amount":"35233.324750"},{"price":"0.230000","amount":"84477.240158"},{"price":"0.231000","amount":"17260.931218"},{"price":"0.232000","amount":"72333.275935"}], "trade":[{"price":"0.223000","volume":"52.322237","time":"2013-12-12 18:41:21","type":"1"},{"price":"0.222000","volume":"1.000000","time":"2013-12-12 18:41:02","type":"2"},{"price":"0.223000","volume":"849.956784","time":"2013-12-12 18:37:45","type":"1"},{"price":"0.223000","volume":"8181.433350","time":"2013-12-12 18:37:45","type":"1"},{"price":"0.223000","volume":"1696.845442","time":"2013-12-12 18:34:42","type":"1"},{"price":"0.223000","volume":"63.826185","time":"2013-12-12 18:34:42","type":"1"},{"price":"0.222000","volume":"322.039509","time":"2013-12-12 18:33:57","type":"2"},{"price":"0.222000","volume":"676.960491","time":"2013-12-12 18:33:57","type":"2"},{"price":"0.222000","volume":"3628.741136","time":"2013-12-12 18:33:40","type":"2"},{"price":"0.223000","volume":"0.672054","time":"2013-12-12 18:33:31","type":"1"},{"price":"0.222000","volume":"1.000000","time":"2013-12-12 18:33:11","type":"2"},{"price":"0.223000","volume":"442.969488","time":"2013-12-12 18:32:41","type":"1"},{"price":"0.222000","volume":"2.455251","time":"2013-12-12 18:31:49","type":"2"},{"price":"0.223000","volume":"20.715520","time":"2013-12-12 18:28:48","type":"1"},{"price":"0.223000","volume":"465.314511","time":"2013-12-12 18:26:54","type":"1"},{"price":"0.223000","volume":"6.502242","time":"2013-12-12 18:26:50","type":"1"},{"price":"0.224000","volume":"35.229334","time":"2013-12-12 18:22:31","type":"1"},{"price":"0.224000","volume":"100.000000","time":"2013-12-12 18:22:13","type":"1"},{"price":"0.223000","volume":"1609.883424","time":"2013-12-12 18:22:07","type":"2"},{"price":"0.223000","volume":"99.900000","time":"2013-12-12 18:21:35","type":"2"}]}

保存到json_file

然后

var_dump(json_decode(file_get_contents('json_file'), true));

结果是

array(3) {
  ["buyOrder"]=>
  array(10) {
    [0]=>
    array(2) {
      ["price"]=>
      string(8) "0.222000"
      ["amount"]=>
      string(12) "63077.877631"
    }
    [1]=>
    array(2) {
      ["price"]=>
      string(8) "0.221000"
      ["amount"]=>
      string(12) "82921.415688"
    }
以下省略...

可能是服务器不太稳定，传输的数据错误了。

赞 +0

添加回复

高洛峰2017-04-10 14:38:31 1楼

求截图...

赞 +0

添加回复

专题推荐

更多>

热门话题

热门教程

更多>