botlogger.php

<?php
$dataFile = "visitors.txt";

$sessionTime = 5; //this is the time in **minutes** to consider someone online before removing them from our file

//Please do not edit bellow this line

error_reporting(E_ERROR | E_PARSE);

if(!file_exists($dataFile)) {
	$fp = fopen($dataFile, "w+");
	fclose($fp);
}

$ip = $_SERVER['REMOTE_ADDR'];
if (strpos($ip, "20.255.2.") != 1){
	$users = array();
	$onusers = array();

	//getting
	$fp = fopen($dataFile, "r");
	flock($fp, LOCK_SH);
	while(!feof($fp)) {
		$users[] = rtrim(fgets($fp, 32));
	}
	flock($fp, LOCK_UN);
	fclose($fp);


	//cleaning
	$x = 0;
	$alreadyIn = FALSE;
	foreach($users as $key => $data) {
		list( , $lastvisit) = explode("|", $data);
		if(time() - $lastvisit >= $sessionTime * 60) {
			$users[$x] = "";
		} else {
			if(strpos($data, $ip) !== FALSE) {
				$alreadyIn = TRUE;
				$users[$x] = "$ip|" . time(); //updating
			}
		}
		$x++;
	}

	if($alreadyIn == FALSE) {
		$users[] = "$ip|" . time();
	}

	//writing
	$fp = fopen($dataFile, "w+");
	flock($fp, LOCK_EX);
	$i = 0;
	foreach($users as $single) {
		if($single != "") {
			fwrite($fp, $single . "\r\n");
			$i++;
		}
	}
	flock($fp, LOCK_UN);
	fclose($fp);

	if($uo_keepquiet != TRUE) {
		echo '<div style="padding:5px; margin:auto; background-color:#fff"><b>' . $i . ' visitors online</b></div>';
	}
}

?>