PHP实现数组转JSon和JSon转数组的方法示例

本文实例讲述了PHP实现数组转JSon和JSon转数组的方法。分享给大家供大家参考，具体如下：

数组转JSon数据：

$array_1 = array(); //一维数组$array_2 = array(); //多维数组$array_1['username']='ericwolf';$array_1['age']=25;$array_2['menber']['aa']['username']='ericwolf';$array_2['menber']['aa']['age']=25;$array_2['menber']['bb']['username']='eeee';$array_2['menber']['bb']['age']=22;print_r($array_2);$jsonObj_1 = json_encode($array_1);var_dump($jsonObj_1);$jsonObj_1 = json_encode($array_2);var_dump($jsonObj_1);

运行结果：

Array
(
    [menber] => Array
        (
            [aa] => Array
                (
                    [username] => ericwolf
                    [age] => 25
                )
            [bb] => Array
                (
                    [username] => eeee
                    [age] => 22
                )
        )
)
string(32) "{"username":"ericwolf","age":25}"
string(84) "{"menber":{"aa":{"username":"ericwolf","age":25},"bb":{"username":"eeee","age":22}}}"

JSon转数组，并打印：

$jsonStr = '{"key":"value","key1":"value1"}';$json2Array = json_decode($jsonStr,true);foreach($json2Array as $key=>$val) {  echo $key."=".$val."<br/>";}

运行结果：

key=value
key1=value1