我想做的是以下内容:
这是从获取api这个json字符串获取php我希望传递给json但是它没有转换为数组
echo $str='{
action : "create",
record: {
type: "n$product",
fields: {
n$name: "Bread",
n$price: 2.11
},
namespaces: { "my.demo": "n" }
}
}';
$json = json_decode($str, true);
上面的代码没有返回我的数组。
答案 0 :(得分:153)
如果您将帖子中的JSON传递给json_decode
,则会失败。有效的JSON字符串有引用键:
json_decode('{foo:"bar"}'); // this fails
json_decode('{"foo":"bar"}', true); // returns array("foo" => "bar")
json_decode('{"foo":"bar"}'); // returns an object, not an array.
答案 1 :(得分:80)
试试这个:
$data = json_decode($your_json_string, TRUE);
第二个参数将解码的json字符串转换为关联数组。
答案 2 :(得分:22)
如果您使用$_REQUEST
,$_GET
或$_POST
从表单中获取JSON字符串,则需要使用函数html_entity_decode()
。我没有意识到这一点,直到我做了var_dump
请求中的内容与我复制到echo
语句中的内容,并注意到请求字符串要大得多。
正确方式:
$jsonText = $_REQUEST['myJSON'];
$decodedText = html_entity_decode($jsonText);
$myArray = json_decode($decodedText, true);
有错误:
$jsonText = $_REQUEST['myJSON'];
$myArray = json_decode($jsonText, true);
echo json_last_error(); //Returns 4 - Syntax error;
答案 3 :(得分:10)
使用json_decode($json_string, TRUE)
函数将JSON对象转换为数组。
示例:强>
$json_string = '{"a":1,"b":2,"c":3,"d":4,"e":5}';
$my_array_data = json_decode($json_string, TRUE);
注意:第二个参数会将已解码的JSON字符串转换为关联数组。
===========
<强>输出:强>
var_dump($my_array_data);
array(5) {
["a"] => int(1)
["b"] => int(2)
["c"] => int(3)
["d"] => int(4)
["e"] => int(5)
}
答案 4 :(得分:5)
如果您使用file_get_contents
从URL获取json字符串,请按照以下步骤操作:
$url = "http://localhost/rest/users"; //The url from where you are getting the contents
$response = (file_get_contents($url)); //Converting in json string
$n = strpos($response, "[");
$response = substr_replace($response,"",0,$n+1);
$response = substr_replace($response, "" , -1,1);
print_r(json_decode($response,true));
答案 5 :(得分:4)
您的字符串应采用以下格式:
maxn = 0
for i in range(1, d + 1):
if (n%i == 0 and m%i == 0):
maxn = i
return maxn
输出:
$str = '{"action": "create","record": {"type": "n$product","fields": {"n$name": "Bread","n$price": 2.11},"namespaces": { "my.demo": "n" }}}';
$array = json_decode($str, true);
echo "<pre>";
print_r($array);
答案 6 :(得分:1)
如果您需要将JSON文件或结构转换为具有所有嵌套级别的PHP样式数组,则可以使用此功能。首先,你必须json_decode($ yourJSONdata),然后将它传递给这个函数。它将向您的浏览器窗口(或控制台)输出正确的PHP样式数组。
答案 7 :(得分:1)
<?php
$str='{
"action" : "create",
"record" : {
"type": "$product",
"fields": {
"name": "Bread",
"price": "2.11"
},
"namespaces": { "my.demo": "n" }
}
}';
echo $str;
echo "<br>";
$jsonstr = json_decode($str, true);
print_r($jsonstr);
?>
我认为这应该有效,只是如果它们不是数字,那么Keys也应该是双引号。
答案 8 :(得分:1)
确保字符串采用以下JSON格式,如下所示:
{"result":"success","testid":"1"} (with " ") .
如果没有,那么您可以在请求参数中添加"responsetype => json"
。
然后使用json_decode($response,true)
将其转换为数组。
答案 9 :(得分:1)
$data='{"resultList":[{"id":"1839","displayName":"Analytics","subLine":""},{"id":"1015","displayName":"Automation","subLine":""},{"id":"1084","displayName":"Aviation","subLine":""},{"id":"554","displayName":"Apparel","subLine":""},{"id":"875","displayName":"Aerospace","subLine":""},{"id":"1990","displayName":"Account Reconciliation","subLine":""},{"id":"3657","displayName":"Android","subLine":""},{"id":"1262","displayName":"Apache","subLine":""},{"id":"1440","displayName":"Acting","subLine":""},{"id":"710","displayName":"Aircraft","subLine":""},{"id":"12187","displayName":"AAC","subLine":""}, {"id":"20365","displayName":"AAT","subLine":""}, {"id":"7849","displayName":"AAP","subLine":""}, {"id":"20511","displayName":"AACR2","subLine":""}, {"id":"28585","displayName":"AASHTO","subLine":""}, {"id":"45191","displayName":"AAMS","subLine":""}]}';
$b=json_decode($data);
$i=0;
while($b->{'resultList'}[$i])
{
print_r($b->{'resultList'}[$i]->{'displayName'});
echo "<br />";
$i++;
}
答案 10 :(得分:1)
您调用 json 的字符串有问题。我在下面对其进行了一些更改。如果您将字符串正确格式化为正确的 json,则下面的代码将起作用。
$str = '{
"action" : "create",
"record": {
"type": "n$product",
"fields": {
"nname": "Bread",
"nprice": 2.11
},
"namespaces": { "my.demo": "n" }
}
}';
$response = json_decode($str, TRUE);
echo '<br> action' . $response["action"] . '<br><br>';
答案 11 :(得分:0)
使用此转换器,它根本不会失败: Services_Json
// create a new instance of Services_JSON
$json = new Services_JSON();
// convert a complexe value to JSON notation, and send it to the browser
$value = array('foo', 'bar', array(1, 2, 'baz'), array(3, array(4)));
$output = $json->encode($value);
print($output);
// prints: ["foo","bar",[1,2,"baz"],[3,[4]]]
// accept incoming POST data, assumed to be in JSON notation
$input = file_get_contents('php://input', 1000000);
$value = $json->decode($input);
// if you want to convert json to php arrays:
$json = new Services_JSON(SERVICES_JSON_LOOSE_TYPE);
答案 12 :(得分:0)
这是我的解决方案:
json字符串$columns_validation = string(1736) "[{"colId":"N_ni","hide":true,"aggFunc":null,"width":136,"pivotIndex":null,"pinned":null,"rowGroupIndex":null},{"colId":"J_2_fait","hide":true,"aggFunc":null,"width":67,"pivotIndex":null,"pinned":null,"rowGroupIndex":null}]"
所以我使用json_decode两次:
$js_column_validation = json_decode($columns_validation);
$js_column_validation = json_decode($js_column_validation);
var_dump($js_column_validation);
结果是:
array(15) { [0]=> object(stdClass)#23 (7) { ["colId"]=> string(4) "N_ni" ["hide"]=> bool(true) ["aggFunc"]=> NULL ["width"]=> int(136) ["pivotIndex"]=> NULL ["pinned"]=> NULL ["rowGroupIndex"]=> NULL } [1]=> object(stdClass)#2130 (7) { ["colId"]=> string(8) "J_2_fait" ["hide"]=> bool(true) ["aggFunc"]=> NULL ["width"]=> int(67) ["pivotIndex"]=> NULL ["pinned"]=> NULL ["rowGroupIndex"]=> NULL }
答案 13 :(得分:0)
您可以按如下方式将字符串更改为JSON,如果需要,还可以修剪,删除字符串
$str = '[{"id":1, "value":"Comfort Stretch"}]';
//here is JSON object
$filters = json_decode($str);
foreach($filters as $obj){
$filter_id[] = $obj->id;
}
//here is your array from that JSON
$filter_id;
答案 14 :(得分:-2)
$data = json_encode($result, true);
echo $data;