Purpose
Create a unique, time-based hash
Location
users/classes/Hash.php
Parameters
This function does not take any arguments
Example
$hash = Hash::unique();
Further Documentation:
Creates a hash of PHP's unique() function. The unique function uses microtime, so the idea is that no matter how many times you create a hash, it will not be repeated. This is not great for cryptography but it is great to be part of a key or some sort of unique code.