活动人选
for($i=0;$i<$num;$i++){
$lotterPeople = GetRandStr(1);
while(in_array($lotterPeople,$lotterPeopleArr)){
$lotterPeople = GetRandStr(1);
}
$lotterPeopleArr[$i] = $lotterPeople;
echo "抽中人：". $lotterPeopleArr[$i].'<br/>';
}
// echo '抽中人：'. $lotterPeople;
/**
- 生成随机数
- $type int 默认(字母&&数字) 1 纯字母 2.纯数字 3.英文单词
*/
function GetRandStr($len='4',$type='3')
{
switch($type)
{
case '1';
$chars = array(
"a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z","A","B","C","D","E","F","G","H","I","J","K","L","M","N","O","P","Q","R","S","T","U","V","W","X","Y","Z"
);
break;
case '2';
$chars = array(
"0","1","2","3","4","5","6","7","8","9"
);
break;
case '3';
$chars = array(
"小华","小冠","小王","小吴","小朱","小何","小陈","小熊","小斌","小李","小春","小超","小张","小郭","小柯","小梁","小理","小龚","小杰","小余","小洪","小郑","小志","小潘",);
break;
default;
$chars = array(
"a","Z","0","9"
);
break;
}
$charsLen = count($chars) - 1;
shuffle($chars);
$output = "";
for ($i=0; $i<$len; $i++)
{
$output .= $chars[mt_rand(0,$charsLen)];
}
return $output;
}
?>
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