<?php
function getRand($proArr){
$rs = '';
$proSum = array_sum($proArr);
foreach ($proArr as $key => $proCur) {
$randNum = mt_rand(1, $proSum);
if ($randNum <= $proCur) {
$rs = $key;
break;
} else {
$proSum -= $proCur;
}
}
unset($proArr);
return $rs;
}
$prize_arr = array(
'0' => array('id' => 10, 'title' => 'iphone5s', 'v' => 5),
'1' => array('id' => 20, 'title' => '联系笔记本', 'v' => 10),
'2' => array('id' => 30, 'title' => '音箱设备', 'v' => 20),
'3' => array('id' => 40, 'title' => '30GU盘', 'v' => 30),
'4' => array('id' => 50, 'title' => '话费50元', 'v' => 10),
'5' => array('id' => 60, 'title' => 'iphone6s', 'v' => 15),
'6' => array('id' => 70, 'title' => '谢谢,继续加油哦!~', 'v' => 10),
);
$arr=array();
foreach ($prize_arr as $key => $val) {
$arr[$key+1] = $val['v'];
}
echo '<pre />';
print_r($prize_arr);
print_r($arr);
echo $prize_id = getRand($arr);
echo $data['prize_title'] = $prize_arr[$prize_id - 1]['title'];
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