View file vobog-wmzo_ru/ajax/chat_load.php

<?php
require_once ('../system/core.php');
header('Content-Type: application/json');
$lastId = isset($_GET['last']) ? (int)$_GET['last'] : 0;
$messages = [];
$data = db_query("SELECT * FROM `chat_messages` WHERE `id` > ? ORDER BY `id` ASC LIMIT 50", [$lastId])->fetchAll();
foreach ($data as $row) {
    $html = '<div style="border-bottom:1px dotted #183543; padding:5px; margin-bottom:5px;">
        ' . nick((int)$row['user_id']) . ' 
        <small style="color:#555;">(' . date('H:i', $row['time']) . ')</small><br>
        <span style="color:#9bc2e0; font-size:12px; margin-left:24px; display:block;">' . out($row) . '</span>
    </div>';
    $messages[] = ['id' => (int)$row['id'], 'html' => $html];
}
echo json_encode(['messages' => $messages]);
?>