function randCode($size = 6){
$code = "";
$str = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
for($i=0;$i<$size;$i++){
$key = rand(0,62);
$code.=substr($str,$key,1);
}
return $code;
}
Copyright © 2009-2022 www.wenjiangwz.cn 成都网站建设公司 版权所有 蜀ICP备19037934号