log.php

См. документацию.

<?php
namespace Bitrix\Im;
 
class Log
{
    public static function write($data)
    {
        if (!is_array($data['USER_ID']))
        {
            $data['USER_ID'] = [(int)$data['USER_ID']];
        }
 
        $users = [];
        foreach ($data['USER_ID'] as $uid)
        {
            $uid = (int)$uid;
            if ($uid)
            {
                $users[] = $uid;
            }
        }
 
        if (empty($users))
        {
            return;
        }
 
        $action = $data['ACTION']?: 'UNKNOWN';
        $params = $data['PARAMS']?: [];
        $device = $data['DEVICE']?: 'UNKNOWN';
 
        global $USER;
 
        if (!in_array((int)$USER->GetID(), $users, true))
        {
            return;
        }
 
        $logUserId = $USER->GetID();
 
        $sessionId = \Bitrix\Main\Application::getInstance()->getKernelSession()->getId();
        $logName = md5($sessionId);
        $scriptName = \Bitrix\Main\Context::getCurrent()->getServer()->getScriptName();
        $userIp = \Bitrix\Main\Context::getCurrent()->getRequest()->getRemoteAddress();
        if ($device === 'UNKNOWN')
        {
            $device = mb_strpos($scriptName, 'desktop_app')? 'DESKTOP' : 'BROWSER';
        }
 
        $log = "\n------------------------\n";
        $log .= date("Y.m.d G:i:s")."\n";
        $log .= $action.' ['.$device.' - '.$userIp.' :: '.$sessionId."]\n";
        $log .= print_r($params, 1);
        $log .= "\n------------------------\n";
 
        \Bitrix\Main\IO\File::putFileContents($_SERVER["DOCUMENT_ROOT"]."/../logs/im/$logUserId/$logName.log", $log, \Bitrix\Main\IO\File::APPEND);
    }
}