阅读类似facebook json php的json
我尝试通过php读取json阅读类似facebook json php的json,php,json,facebook,Php,Json,Facebook,我尝试通过php读取json { "data": [ { "id": "3043252fsdgdf36360354", "name": "name1", "access_token": "CAAIf3VEtVSoBAHrVxHL16zt4H5OvwBmdfgs4F3auPE0NZBx5PmIujBAdqw0Cv4bZACXytT1O1y6FHEZA25E1aqQZD" }, { "id": "3326848fdgs
{
"data": [
{
"id": "3043252fsdgdf36360354",
"name": "name1",
"access_token": "CAAIf3VEtVSoBAHrVxHL16zt4H5OvwBmdfgs4F3auPE0NZBx5PmIujBAdqw0Cv4bZACXytT1O1y6FHEZA25E1aqQZD"
},
{
"id": "3326848fdgsdfgsdf03424168",
"name": "name2",
"access_token": "CAAIf3VEtVSoBAJinePVdfgsdfgMxuY3zaj9AimaoKx7VIO9jCqZCHC6ZBixL1n6ZC72LTMn0ZB4T8rOHD27WmzbBVgvUwgspeEZD"
}}
我试着用这个密码
$sfgsdfg= $json_a=json_decode($read,true);
echo $json_a['data'][3043252fsdgdf36360354];
echo $json_a['3043252fsdgdf36360354'][access_token];
不与此php代码工作,我需要帮助阅读它
我需要选择3043252fsdgdf36360354的访问令牌作为echo$json_a['data'][3043252fsdgdf36360354]['access_token'] 我只需要读id为。mysql命令。选择访问令牌,其中id='3326848fdgsdfgsdf03424168' 不是格式良好的json。 尝试:
{
"data": [
{
"id": "3043252fsdgdf36360354",
"name": "name1",
"access_token": "CAAIf3VEtVSoBAHrVxHL16zt4H5OvwBmdfgs4F3auPE0NZBx5PmIujBAdqw0Cv4bZACXytT1O1y6FHEZA25E1aqQZD"
},
{
"id": "3326848fdgsdfgsdf03424168",
"name": "name2",
"access_token": "CAAIf3VEtVSoBAJinePVdfgsdfgMxuY3zaj9AimaoKx7VIO9jCqZCHC6ZBixL1n6ZC72LTMn0ZB4T8rOHD27WmzbBVgvUwgspeEZD"
}
]
}
和php:
$val = json_decode($read, TRUE);
echo $val['data'][0]['id'];
更新:
function find_by_id($id, $val) {
foreach($val['data'] as $key => $obj) {
if ($obj['id'] === $id)
return $obj['access_token'];
}
}
首先,您的JSON缺少一个
]
字符,将导致JSON\u decode
返回NULL。您应该首先更正JSON字符串。您可以使用诸如的在线服务来验证JSON。一旦将JSON字符串解码为关联数组,就可以循环遍历该数组并检查其中是否包含给定的ID。如果是这样,您可以轻松获取相应的访问令牌
我把它做成了一个简短的函数。您可以使用它按ID获取访问令牌:
$jsonArray = json_decode($str, TRUE);
function getAccessTokenFromID($id, $jsonArray) {
foreach ($jsonArray['data'] as $k => $elem) {
if($elem['id'] == $id) {
$access_token = $elem['access_token'];
}
}
return $access_token;
}
用法:
$myid = '3043252fsdgdf36360354';
$my_accesstoken = getAccessTokenFromID($myid, $jsonArray);
我需要选择通过3326848fdgsdfgsdf03424168访问令牌作为echo$val['data'][0]['3326848fdgsdfgsdf03424168';我将保存id并需要选择用户acsess页面令牌并为每个页面保存它是否需要返回数组的函数,该数组的id为您指定的id?不,我只需要按id读取为。mysql命令。选择访问令牌,其中id='3326848fdgsdfgsdf03424168';我需要选择3043252fsdgdf36360354的访问令牌作为echo$json_a['data'][3043252fsdgdf36360354]['access_token'];echo getAccessTokenFromID(3043252fsdgdf36360354);不工作??