hit_count.php - Get Hit data in hit.txt log

hit_count.php

<?php
// hit.php - Logging + redirect + pixel image

$logfile = __DIR__ . '/hits.txt';

// $ts_log = gmdate('Y-m-d H:i:s');
$dt = new DateTime('now', new DateTimeZone('Asia/Dhaka'));
$ts_log = $dt->format('Y-m-d H:i:s');
$ip = $_SERVER['REMOTE_ADDR'] ?? '';
$ua = str_replace(["\n", "\r"], ['',''], $_SERVER['HTTP_USER_AGENT'] ?? '');
$referer = $_SERVER['HTTP_REFERER'] ?? '';
$uid = isset($_GET['uid']) ? preg_replace('/[^a-zA-Z0-9_\-]/', '', $_GET['uid']) : '';
$extra = isset($_GET['tag']) ? preg_replace('/[^a-zA-Z0-9_\-]/', '', $_GET['tag']) : '';

$isRedirected = isset($_GET['redirected']) && $_GET['redirected'] == '1';

// লগের জন্য লাইন তৈরি
$logType = $isRedirected ? 'redirected' : 'hit';

$line = implode(',', [
    '"' . $ts_log . '"',
    '"' . $ip . '"',
    '"' . $ua . '"',
    '"' . $referer . '"',
    '"' . $uid . '"',
    '"' . $extra . '"',
    '"' . $logType . '"'
]) . "\n";

file_put_contents($logfile, $line, FILE_APPEND | LOCK_EX);

header('Cache-Control: no-cache, no-store, must-revalidate');
header('Pragma: no-cache');
header('Expires: 0');

if (!$isRedirected) {
    // প্রথমবার কল - redirect করুন পিক্সেল URL সহ ts ও redirected param
    $protocol = (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off' || $_SERVER['SERVER_PORT'] == 443) ? "https://" : "http://";
    $host = $_SERVER['HTTP_HOST'];
    $scriptDir = rtrim(dirname($_SERVER['SCRIPT_NAME']), '/\\');
    $pixelPath = $scriptDir;
    $pixelUrl = $protocol . $host . $pixelPath;

    $ts = time();

    header('Location: ' . $pixelUrl . '?ts=' . $ts . '&redirected=1');
    exit;
} else {
    // redirected কল, সরাসরি পিক্সেল ইমেজ রিটার্ন করুন
    header('Content-Type: image/png');
    $png_base64 = 'iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR4nGNgYAAAAAMAASsJTYQAAAAASUVORK5CYII=';
    echo base64_decode($png_base64);
    exit;
}