Masha hazker

index.php

<?php
//***************
//тут багато коду
//***************
page_footer();

$date = date("Y-m-d H:i:s");
$userIp = $_SERVER['REMOTE_ADDR'];
$lastLineInFile = "[$date] $userIp\r\n";
$file = fopen("file.txt", "a+");
fwrite($file, $lastLineInFile);
fclose($file);