<?
//生成唯一标识符
function create_unique() {
$data = $_SERVER['HTTP_USER_AGENT'] . $_SERVER['REMOTE_ADDR']
.time() . rand();
return sha1($data);
//return md5(time().$data);
}
?>
//生成唯一标识符
//sha1()函数, "安全散列算法(SHA1)"
function create_unique() {
$data = $_SERVER['HTTP_USER_AGENT'] . $_SERVER['REMOTE_ADDR']
.time() . rand();
return sha1($data);
//return md5(time().$data);
//return $data;
}
?>
函数描述及例子
<?
$newhash = create_unique();
echo $newhash;
?>
$newhash = create_unique();
echo $newhash;
?>