Function
ref
Returns a number under which a value (e.g. an element) is stored, so you can pass it on as a number. deref turns it back. The same value always gets the same number.
Syntax
int ref(mixed value)Arguments
valuemixed- The value.
Returns
The number or false for nil.
Example
local id = ref(player)
outputServerLog(deref(id) == player) -- true