<?php
function updateraw()
{
    global $pdo;
    $query_count = 1;
    if ($_GET['queries'] > 1) {
        $query_count = min($_GET['queries'], 500);
    }

    $statement       = $pdo->prepare('SELECT randomNumber FROM World WHERE id=?');
    $updateStatement = $pdo->prepare('UPDATE World SET randomNumber=? WHERE id=?');

    while ($query_count--) {
        $id = mt_rand(1, 10000);
        $statement->execute([$id]);

        $world = ['id' => $id, 'randomNumber' => $statement->fetchColumn()];
        $updateStatement->execute(
            [$world['randomNumber'] = mt_rand(1, 10000), $id]
        );

        $arr[] = $world;
    }

    return json_encode($arr, JSON_NUMERIC_CHECK);
}