<?php
/** by www.phpddt.com */
$arr = array("a"=>"PHP","b"=>"中国");
echo json_encode($arr); //中文乱码:["PHP","\u4e2d\u56fd"]
//json_encode前对变量urlencode即可
foreach ($arr as $k => $v){
$arr[$k] = urlencode($v);
}
echo urldecode(json_encode($arr)); //{"a":"PHP","b":"中国"}
$str=md5('test');echo hexdec($str)%3;
print_r( json_decode('[{"item_id": 21,"title": "可口可乐600ml"}]',true));
print_r( json_decode('{"item_id": 21,"title": "可口可乐600ml"}',true));
print_r(array_flip(array_flip(array(1,2,3))));
echo json_encode(array(array(1,2),3),1);
echo json_encode(array(array(1,2),3));
preferences:
37.59 ms | 402 KiB | 5 Q