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php利用嵌套数组拼接与解析json的方法
类别:PHP编程   作者:码皇   来源:互联网   点击:

本篇文章主要介绍了php利用嵌套数组拼接与解析json的方法,小编觉得挺不错的,现在分享给大家,也给大家做个参考。一起跟随小编过来看看吧

利用嵌套数组   拼接混合json -包含对象数组

    <?php // 自 PHP 5.4 起 $array = [ "status" => "0", "message" => "ok", "arr"=> [] ];
    class Person {
    public $name;
    public $age;
    //定义一个构造方法初始化赋值 public function __construct($name,$age) {
    $this->name=$name;
    $this->age=$age;
    }
    }
    for($i=0;
    $i<10;
    $i++) {
    $p=new Person("ren",$i);
    $array["arr"][]=$p;
    }
    //var_dump($array);
    echo json_encode($array);
    ?>

php利用嵌套数组  解析混合json  包含对象数组

    <?php function json_to_array($web) {
    $arr=array();
    foreach($web as $k=>$v) {
    if(is_object($v)) $arr[$k]=json_to_array($v);
    //判断类型是不是object else $arr[$k]=$v;
    }
    return $arr;
    }
    $s='{
    "webname":"homehf","url":"www.homehf.com","qq":"744348666"}
    ';
    //将字符转成JSON $web=json_decode($s);
    $arr=array();
    foreach($web as $k=>$v) $arr[$k]=$v;
    echo "<pre>";
    print_r($arr);
    echo "</pre>";
    $s='{
    "webname":"homehf","url":"www.homehf.com","contact":{
    "qq":"744348666","mail":"nieweihf@163.com","xx":"xxxxxxx"}
    }
    ';
    $web=json_decode($s);
    $arr=json_to_array($web);
    echo "<pre>";
    print_r($arr);
    echo "</pre>";
    /************************************************************************ ************************************************************************/ $s='{
    "webname":"homehf","url":"www.homehf.com","contact":{
    "qq":"744348666","mail":"nieweihf@163.com","xx":"xxxxxxx"}
    }
    ';
    $web=json_decode($s);
    echo '网站名称:'.$web->webname.'<br />网址:'.$web->url.'<br />联系方式:QQ-'.$web->contact->qq.' MAIL:'.$web->contact->mail;
    echo '<br /><br />';
    /************************************************************************ ************************************************************************/ $s='{
    "webname":"homehf","url":"www.homehf.com","contact":{
    "qq":"744348666","mail":"nieweihf@163.com","xx":"xxxxxxx"}
    }
    ';
    $web=json_decode($s);
    echo json_encode($web);
    $mys='{
    "status":"0","message":"ok","arr":[{
    "name":"ren","age":0}
    ,{
    "name":"ren","age":1}
    ,{
    "name":"ren","age":2}
    , {
    "name":"ren","age":3}
    ,{
    "name":"ren","age":4}
    ,{
    "name":"ren","age":5}
    ,{
    "name":"ren","age":6}
    ,{
    "name":"ren","age":7}
    , {
    "name":"ren","age":8}
    ,{
    "name":"ren","age":9}
    ]}
    ';
    $myweb=json_decode($mys);
    echo $myweb->status;
    for($i=0;
    $i<10;
    $i++) {
    echo $myweb->arr[$i]->age;
    echo '<br /><br />';
    }
    ?>

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