Question

我还有两个php变量数组如何将其转换为json

  $tmp[0]
  $tmp[1]
  $tmp[2]
  $tmp[3]

我试过了

$json_array=array(
  "dir"=>$tmp[0],
  "sym"=>$tmp[1],
   "bid"=>$tmp[2],
    "ask"=>$tmp[3]
);

echo json_encode($json_array);

显示

{"dir":"down","sym":"oo","b":"1.35460","a":"1.35465"} {"dir":"down","sym":"pp","b":"1.64263","a":"1.64273"} {"dir":"down","sym":"qq","b":"104.498","a":"104.502"} {"dir":"up","sym":"rr","b":"0.88183","a":"0.88188"} {"dir":"down","sym":"ss","b":"1.09551","a":"1.09558"}

但我需要像这样改变

[{"dir":"down","sym":"oo","b":"1.35460","a":"1.35465"},{"dir":"down","sym":"pp","b":"1.64263","a":"1.64273"},{"dir":"down","sym":"qq","b":"104.498","a":"104.502"},{"dir":"up","sym":"rr","b":"0.88183","a":"0.88188"},{"dir":"down","sym":"ss","b":"1.09551","a":"1.09558"}]

Answer 1

使用Php函数json_encode（）

进行json编码

$json=json_encode($json_array);

Answer 2

只需使用php数组创建所需的数据结构，然后json_encode($data);

如果你想要一个额外的数组包装器:(我正在使用更现代的数组语法）

$data = [[ //or array(array(
  "dir"=>$tmp[0],
  "sym"=>$tmp[1],
  "bid"=>$tmp[2],
  "ask"=>$tmp[3]
]]; // or ))

$data = json_encode($data);

Answer 3

你需要你的数组的json_enoce：

$json_array=array(
  "dir"=>$tmp[0],
  "sym"=>$tmp[1],
   "bid"=>$tmp[2],
    "ask"=>$tmp[3]
);
print_r(json_encode($json_array));

它将打印$json_array

的JSON表示

文档：http://bd1.php.net/json_encode

Answer 4

使用 Json Encode 将其转换为PHP。

$data = array(
    "dir"=>$tmp[0],
    "sym"=>$tmp[1],
    "bid"=>$tmp[2],
    "ask"=>$tmp[3]
);

echo json_encode($data);

Answer 5

$json_array=array();
json_object1=array(
  "dir"=>$tmp[0],
  "sym"=>$tmp[1],
   "bid"=>$tmp[2],
    "ask"=>$tmp[3]
);
$json_array[]=json_object1;
$json_object2=array(
  "dir"=>$tmp[0],
  "sym"=>$tmp[1],
   "bid"=>$tmp[2],
    "ask"=>$tmp[3]
);
$json_array[]=json_object2;
json_encode($json_array);

Answer 6

试试这个。

$json_array=array(
  "dir"=>$tmp[0],
  "sym"=>$tmp[1],
   "bid"=>$tmp[2],
    "ask"=>$tmp[3]
);

echo json_encode(array($json_array));

输出：

[{"dir":null,"sym":null,"bid":null,"ask":null}]

将php变量转换为json

6 个答案: