Просмотр файла siwap.ru/AJAX/randQuotes.php

<?php
require_once($_SERVER['DOCUMENT_ROOT'].'/system/App.php');

$quotes = Base::query('SELECT `text` FROM `quotes` ORDER BY RAND() LIMIT 1');

if(!empty($quotes['text']))
{
    $json = ['comment' => $quotes['text']];
}
else
{
    $json = ['comment' => ''];
}
echo json_encode($json, JSON_UNESCAPED_UNICODE);
?>