<?php
require_once(__DIR__ . '/config.lib.php');
global $db;
function open_db($state) {
  global $db;
  if ($state == 'open') {
    if (!$db) {
      $hostname  = config('DB_HOST', 'localhost');
      $view_user = config('DB_USER');
      $view_pass = config('DB_PASS');
      $db_name   = config('DB_NAME');
      // PHP 8.1+ throws exceptions by default; keep the old return-value checks working
      mysqli_report(MYSQLI_REPORT_OFF);
      $db = new mysqli($hostname, $view_user, $view_pass, $db_name);
      if ($db->connect_error) {
        die ("Unable to connect to database");
        die ('Connect Error (' . $db->connect_errno . ') ' . $db->connect_error);
      }
      return TRUE;
    } else
      return FALSE;
  }
  else if ($state == 'close') {
    if ($db) {
      $db->close();
      $db = NULL;
      return TRUE;
    } else
      return FALSE;
  }
}
?>