<!--?php
function get_rand($proArr) {
$result =
''
;
$proSum = array_sum($proArr);
foreach ($proArr as $key =--> $proCur) {
$randNum = mt_rand(
1
, $proSum);
if
($randNum <= $proCur) {
$result = $key;
break
;
}
else
{
$proSum -= $proCur;
}
}
unset ($proArr);
return
$result;
}
$prize_arr = array(
'0'
=> array(
'id'
=>
1
,
'prize'
=>
'平板电脑'
,
'v'
=>
1
),
'1'
=> array(
'id'
=>
2
,
'prize'
=>
'数码相机'
,
'v'
=>
5
),
'2'
=> array(
'id'
=>
3
,
'prize'
=>
'音箱设备'
,
'v'
=>
10
),
'3'
=> array(
'id'
=>
4
,
'prize'
=>
'4G优盘'
,
'v'
=>
12
),
'4'
=> array(
'id'
=>
5
,
'prize'
=>
'10Q币'
,
'v'
=>
22
),
'5'
=> array(
'id'
=>
6
,
'prize'
=>
'下次没准就能中哦'
,
'v'
=>
50
),
);
foreach ($prize_arr as $key => $val) {
$arr[$val[
'id'
]] = $val[
'v'
];
}
$rid = get_rand($arr);
$res[
'yes'
] = $prize_arr[$rid-
1
][
'prize'
];
unset($prize_arr[$rid-
1
]);
shuffle($prize_arr);
for
($i=
0
;$i<count($prize_arr);$i++){ $pr[]=
"$prize_arr[$i]['prize'];"
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