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        php读写json文件及修改json方法

        时间:2024-10-17

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                1. 本文主要和大家分享一篇php 读写json文件及修改json的方法,具有很好的参考价值,希望能帮助到大家。实例代码如下:
                  // 追加写入用户名下文件
                  $code="001";//动态数据
                      $json_string = file_get_contents("text.json");// 从文件中读取数据到PHP变量
                      $data = json_decode($json_string,true);// 把JSON字符串转成PHP数组
                      $data[$code]=array("a"=>"as","b"=>"bs","c"=>"cs");
                      $json_strings = json_encode($data);
                      file_put_contents("text.json",$json_strings);//写入
                  //修改
                   $json_string = file_get_contents("text.json");// 从文件中读取数据到PHP变量
                      $data = json_decode($json_string,true);// 把JSON字符串转成PHP数组
                      $data["001"]["a"]="aas";
                      $json_strings = json_encode($data);
                      file_put_contents("text.json",$json_strings);//写入
                   
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