json_decode

 <?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);
 ?>