<?php 

     $json = '{"a":1,"b":2,"c":3,"d":4,"e":5}'; 

     //json_decode 将json格式的字符串转成php数组或者对象

     $object = json_decode($json);        //转成php对象(stdClass Object)

     echo $object->a.'**';

     echo $object->b.'**';

     echo $object->c.'**';

     echo $object->d.'**';

     echo $object->e;

     $arr = json_decode($json,true);      //转成php数组

     echo "<pre/ >";

     print_r($arr);

 ?>