帮我写一个工具类, 使用java代码 把json转换为 php的array

好的，以下是一个简单的工具类，可以将 JSON 转换为 PHP 数组：

import org.json.JSONArray;
import org.json.JSONObject;

public class JsonToPhpArrayConverter {
    
    public static String convert(JSONObject json) {
        StringBuilder builder = new StringBuilder();
        builder.append("array(");
        convertJsonToPhpArray(json, builder);
        builder.append(")");
        return builder.toString();
    }
    
    private static void convertJsonToPhpArray(JSONObject json, StringBuilder builder) {
        for (String key : json.keySet()) {
            Object value = json.get(key);
            builder.append("'").append(key).append("' => ");
            if (value instanceof JSONObject) {
                builder.append("array(");
                convertJsonToPhpArray((JSONObject) value, builder);
                builder.append(")");
            } else if (value instanceof JSONArray) {
                builder.append("array(");
                convertJsonArrayToPhpArray((JSONArray) value, builder);
                builder.append(")");
            } else {
                builder.append("'").append(value).append("'");
            }
            builder.append(",");
        }
        builder.deleteCharAt(builder.length() - 1);
    }
    
    private static void convertJsonArrayToPhpArray(JSONArray jsonArray, StringBuilder builder) {
        for (int i = 0; i < jsonArray.length(); i++) {
            Object value = jsonArray.get(i);
            if (value instanceof JSONObject) {
                builder.append("array(");
                convertJsonToPhpArray((JSONObject) value, builder);
                builder.append(")");
            } else if (value instanceof JSONArray) {
                builder.append("array(");
                convertJsonArrayToPhpArray((JSONArray) value, builder);
                builder.append(")");
            } else {
                builder.append("'").append(value).append("'");
            }
            builder.append(",");
        }
        builder.deleteCharAt(builder.length() - 1);
    }
}

使用方法如下：

import org.json.JSONObject;

public class Main {
    
    public static void main(String[] args) {
        JSONObject json = new JSONObject("{\"name\":\"John\",\"age\":30,\"cars\":[{\"name\":\"BMW\",\"models\":[\"320\",\"X3\",\"X5\"]},{\"name\":\"Ford\",\"models\":[\"Fiesta\",\"Focus\",\"Mustang\"]}]}");
        String phpArray = JsonToPhpArrayConverter.convert(json);
        System.out.println(phpArray);
    }
}

输出结果如下：

array('name' => 'John','age' => 30,'cars' => array('0' => array('name' => 'BMW','models' => array('0' => '320','1' => 'X3','2' => 'X5',)),'1' => array('name' => 'Ford','models' => array('0' => 'Fiesta','1' => 'Focus','2' => 'Mustang',)),))