[SilentSoul]

PlayerInfo[playerid2] is an enum,

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Enumerations are a very useful system for representing large groups of data and modifying constants quickly. There are a few main uses - replacing large sets of define statements, symbolically representing array slots (these are actually the same thing but they look different) and creating new tags.

Btw, if you would like to learn how to load/save using enumerations Check this tutorial will help you understanding some useful functions!