SetValue.php

<?php
require 'db.php';

$arrayData  = json_decode($_POST['arrayData'], true);
//echo "\n" . displayRecursiveResults($arrayData) . "\n";

$playerID = $arrayData['uid'];
$username = $arrayData['username'];
$email = $arrayData['email'];

$game_data_json0 = $arrayData['game_data_json0'];
$game_data_json1 = $arrayData['game_data_json1'];
$game_data_json2 = $arrayData['game_data_json2'];
$game_data_json3 = $arrayData['game_data_json3'];

if(!isset($playerID)){
    echo "Fail data UID";
    exit;
}
else {
    SetValue($playerID, $game_data_json0, $game_data_json1, $game_data_json2, $game_data_json3);
}

function displayRecursiveResults($arrayObject) {
    foreach($arrayObject as $key=>$data) {
        if(is_array($data)) {
            displayRecursiveResults($data);
        } elseif(is_object($data)) {
            displayRecursiveResults($data);
        } else {
            echo $key." => ".$data."\n";
        }
    }
}

function SetValue($playerID, $game_data_json0, $game_data_json1, $game_data_json2, $game_data_json3) {
    $user_data = R::findOne('users', 'uid = ?', [$playerID]);
    if ($user_data) {
        $user_data->game_data_json0 = $game_data_json0;
        $user_data->game_data_json1 = $game_data_json1;
        $user_data->game_data_json2 = $game_data_json2;
        $user_data->game_data_json3 = $game_data_json3;
        R::store($user_data);
        echo "Set successfull";
    }
    else {
        echo "Not find this user set" . $playerID;
    }
}
?>