这是我的 JSON
[
{
"activity_code":"1",
"activity_name":"FOOTBALL"
},
{
"activity_code":"2",
"activity_name":"CRICKET"
}
]
我需要将 {"activity_code":"1","activity_name":"FOOTBALL"}
更新为 {"activity_code":"1","activity_name":"TENNIS "}
基于 activity_code
如何在 PHP 中实现这一点?
最佳答案
首先,您需要对其进行解码:
$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";
}
}
然后重新编码并保存回文件中:
$newJsonString = json_encode($data);
file_put_contents('jsonFile.json', $newJsonString);
关于php - 如何使用 PHP 更新/编辑 JSON 文件,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/17806224/