safechat/html/usertable.php

<?php
require_once("functions.php");
mysqli_report(MYSQLI_REPORT_STRICT);
try {
  $db = new mysqli("mysql", "root", $_SERVER["MYSQL_ENV_MYSQL_ROOT_PASSWORD"]);
  $db->query("create database if not exists safechat;");
  $db->select_db("safechat");
  $db->query('create table if not exists user (name varchar(50) not null unique key, pubkey text not null);');
} catch (Exception $e) {
  echo json_encode(null);
}
?>