<?php
$str = '{"1":{"img":"http:\/\/dl.chouqu.com\/yy\/img\/banner\/shenqu.jpg","id":"349","expl":"\u6d4b\u8bd5"},"2":{"img":"http:\/\/dl.chouqu.com\/yy\/img\/banner\/shenqu.jpg","id":"349","expl":"\u6d4b\u8bd5"},"3":{"img":"http:\/\/dl.chouqu.com\/yy\/img\/banner\/shenqu.jpg","id":"349","expl":"\u6d4b\u8bd5"},"4":{"img":"http:\/\/dl.chouqu.com\/yy\/img\/banner\/shenqu.jpg","id":"349","expl":"\u6d4b\u8bd5"}}';
$arr = json_decode($str,true);
var_dump($arr);
preferences:
71.21 ms | 402 KiB | 5 Q