简单判断登陆用户账号是email，还是手机号，还是账户的方法
简单判断登陆用户账号是email，还是手机号，还是账户的方法
$check_email = preg_match("/[a-z0-9_\-\.]+@([a-z0-9_\-]+?\.)+[a-z]{2,3}/i", $username, $match_email);
$check_mobile = preg_match("/^1([358][0-9]|4[579]|66|7[0135678]|9[89])[0-9]{8}$/", $username, $match_mobile);
if ($check_email) {
$email = $username;
$username = '';
$mobile = '';
$type = 2;
} elseif ($check_mobile) {
$mobile = $username;
$username = '';
$email = '';
$type = 3;
} else {
$mobile = '';
$email = '';
$type = 1;
}
