这是我的JSON:
[
{
"activity_code":"1",
"activity_name":"FOOTBALL"
},
{
"activity_code":"2",
"activity_name":"CRICKET"
}
]
我需要更新{"activity_code":"1","activity_name":"FOOTBALL"}
到{"activity_code":"1","activity_name":"TENNIS"}
基于activity_code
我怎样才能在PHP中实现这一点?
发布于 2018-06-08 14:43:41
你需要解码它:
$jsonString = file_get_contents('jsonFile.json');
$data = json_decode($jsonString, true);
然后更改数据:
$data[0]['activity_name'] = "TENNIS";
// or if you want to change all entries with activity_code "1"
foreach ($data as $key => $entry) {
if ($entry['activity_code'] == '1') {
$data[$key]['activity_name'] = "TENNIS";
}
}
然后重新编码并将其保存回文件中:
$newJsonString = json_encode($data);
file_put_contents('jsonFile.json', $newJsonString);
https://stackoverflow.com/questions/-100004805
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