Fipamo/brain/data/Member.inc.php

<?php
use function _\find;

class Member
{
  public function __construct()
  {
  }

  public static function updateData(string $key, string $data)
  {
    $folks = (new Settings())->getFolks();
    $member = Session::get("member");
    $found = find($folks, ["handle" => $member["handle"]]);
    $found[$key] = $data;
    //record time updated
    $updated = new \Moment\Moment();
    $found["updated"] = $updated->format("Y-m-d\TH:i:sP");
    $newFolks = [];
    array_push($newFolks, $found);
    //save updated file
    DocTools::writeSettings("../config/folks.json", $newFolks);
    //update member data in session

    $member = [
      "handle" => $found["handle"],
      "email" => $found["email"],
      "role" => $found["role"],
      "avatar" => $found["avi"],
    ];
    Session::set("member", $member);
  }
}