Answers for "get user id"

wp get logged in user id

<?php
	$user_id = get_current_user_id();
?>

linux show uid

id -u $username

find user id by username

client.users.cache.find(u => u.tag === 'Someone#1234').id

membership get user id

MembershipUser mu = Membership.GetUser("username");
string userId = mu.ProviderUserKey.ToString();