如何從 JSON PHP 中正確獲取值?


若要從 JSON 中獲取一個值,可以使用 json_decode()。假設我們的 JSON 如下:

$detailsJsonObject = '{"details":[{"name":"John","subjectDetails":{"subjectId":"101","subjectName":"PHP","marks":"58", "teacherName":"Bob"}}]}';  

我們需要獲取具體的值,例如科目名稱、分數等。

示例

PHP 程式碼如下:

 演示

<!DOCTYPE html>
<html>
<body>
<?php
$detailsJsonObject = '{"details":[
   {"name":"John","subjectDetails":
   {"subjectId":"101","subjectName":"PHP","marks":"58",
   "teacherName":"Bob"}
}]}';  
$convertToArrayObject = json_decode($detailsJsonObject,true);
$actualSubjectName = $convertToArrayObject[details][0][subjectDetails][subjectName];
$actualTeacherName = $convertToArrayObject[details][0][subjectDetails][teacherName];
echo "The Subject Name is=",$actualSubjectName,"<br>";
echo "The Teacher Name is=",$actualTeacherName;
?>
</body>
</html>

輸出

這將產生以下輸出

The Subject Name is=PHP
The Teacher Name is=Bob

更新於:2020-10-13

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