How to collect specific content in JSON using PHP?

To extract specific content from a JSON in PHP, you can use the json_decode() function to decode the JSON data into a PHP array or object, and then use methods or properties of the PHP array or object to retrieve the specific content.

Here is a simple example demonstrating how to extract specific content from JSON data.

<?php
// 获取 JSON 数据
$jsonData = file_get_contents('https://example.com/api/data.json');

// 解码 JSON 数据为 PHP 数组
$data = json_decode($jsonData, true);

// 获取指定内容
$specificContent = $data['key'];

// 打印指定内容
echo $specificContent;
?>

In the example above, we used the file_get_contents() function to retrieve JSON data and then used the json_decode() function to decode it into a PHP array. We can then access specific content using array keys and print it out using echo.

Please note that if there is nested hierarchical structure in the JSON data, the appropriate array keys must be used to access the content within the nested levels.

I hope the above examples are helpful to you!