<?php


function db()
{
  static $pdo = null;
  if ($pdo)
    return $pdo;
  $pdo = new PDO("mysql:host=127.0.0.1;dbname=vprmini_simple;charset=utf8mb4", "root", "root", [
    PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
    PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC
  ]);
  return $pdo;
}
function body()
{
  $raw = file_get_contents("php://input");
  $j = json_decode($raw, true);
  return is_array($j) ? $j : $_POST;
}
function out($ok, $msg, $data = [], $status = 200)
{
  http_response_code($status);
  header("Content-Type: application/json");
  echo json_encode(["ok" => $ok, "msg" => $msg] + $data);
  exit;
}