View file siwap.ru/AJAX/user/newNotifycations.php

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

set_time_limit(0);
$dataSourceDir = ROOT.'/AJAX/updates/user_'.$me['id'];
$dataSourceFile = $dataSourceDir.'/notifycations.tmp';

while(true)
{
	$lastAjaxCall = isset($_GET['timestamp']) ? (int) $_GET['timestamp'] : null;
	$dataTime = filetime($dataSourceTime);
	
	clearstatcache();
	
	if($lastAjaxCall == null || $dataTime > $lastAjaxCall)
	{
		$data = file_get_contents($dataSourceFile);
        $json = ['response' => $data, 'timestamp' => $dataTime];
        
        echo json_encode($result);
        break;
    }
	else
	{
        sleep(1);
        continue;
    }
}