How to use setSkin() ?

hi. There is a code that I don't know how to use.
It is "setSkin".

PHP:

setSkin($str, false);


How do I input skin data in $str?

I extracted skin data, but I couldn't save as text.
(used getSkinData(); )

Please tell me.
Thank you for reading my thread and answering.

PHP:

$player->setSkin($this->getServer()->getDataPath() ."Skin/".$skin);

i think this code
I'm not sure because I did not use code

PHP:

setSkin($this->getServer()->getDataPath() . "skin/" . "skin.png", "skin")

@AndrewBit wrong. It accepts the rgb binary like text, not a file.

Please don't post if you have no evidence behind that.

Who told you it is a file... It isn't even related to PNG...

RGBA, not RGB.

RGBA... OK. What does it stand for???

RGB + alpha, although it is usually \0

okey

I tested, but it doesn't work...