change nametag of player only for one player

I want to change player nametag
e.g. one player will see "player" and other players will see "name"
So how can i do that?

Try:

PHP:

$player->setDisplayName("NameYouWant");

1. i want to change nametag xD
2. i want to make change just for one player, setNameTag() change player's nametag for all players

Did you try using setDisplayName()?
Using setDisplayName() works for me

It might be possible to accomplish this using packets.

Please don't reply if you don't understand his question. And he's asking about nametags, not display names. Please read the first post thoroughly before you post with a "solution". You know how everyone sees the same nametag as you? He wants to make it so that one player sees his nametag as "player", and all the other players see it as "name".

What works for you? Be more descriptive.

i know, my english is bad.. but i didnt know that much..
I WANT TO SET NAMETAG

ok thanks

Oh i understand now

This might work.

PHP:

use pocketmine\Player;
use pocketmine\entity\Entity;

/**
* @param Player $player
* @param string $nametag
* @param Player[]|Player $players
*/
public function customSetNameTag(Player $player, $nametag, $players){
    $player->sendData($players, [Entity::DATA_NAMETAG => [Entity::DATA_TYPE_STRING, $nametag]]);
}

Sources
https://github.com/PocketMine/Pocke...9b5dcd7/src/pocketmine/entity/Entity.php#L295
https://github.com/PocketMine/Pocke...9b5dcd7/src/pocketmine/entity/Entity.php#L545

Edit: you should probably use the sendData function instead of making a custom one, it's just the custom method looks a bit cleaner and it looks slightly better.

Sorry didn't see your reply.

thx

@Lambo's method is better. Didn't notice that sendData allows partial sending.

ok