1<?php
  2/**
  3 * WHMCS GCLID-ONLY VISITOR LOGGER
  4 * PURPOSE: Logs paid traffic journeys only and provides a secret clear link.
  5 */
  6
  7add_hook('ClientAreaPage', 1, function($vars) {
  8    // 1. SETTINGS & TIMEZONE
  9    date_default_timezone_set('America/Chicago');
 10    $logFile = dirname(__FILE__, 3) . '/whmcs_url_log.txt';
 11    $secretKey = 'ts4upass123'; // Matches your WordPress secret
 12
 13    // 2. THE CLEAR LOG COMMAND
 14    // Accessible via: yoursite.com/clients/index.php?clear_whmcs=ts4upass123
 15    if (isset($_GET['clear_whmcs']) && $_GET['clear_whmcs'] === $secretKey) {
 16        file_put_contents($logFile, "--- WHMCS LOG RESET BY ADMIN [" . date('Y-m-d h:i:s A') . "] ---\n\n");
 17        header("Location: https://google.com");
 18        exit;
 19    }
 20
 21    // 3. CAPTURE DATA & PAID TRAFFIC FILTER
 22    $whmcs_cookie = $_COOKIE['whmcs_gclid_final'] ?? 'NOT_FOUND';
 23
 24    // STOP HERE if it's not a paid visitor
 25    if ($whmcs_cookie === 'NOT_FOUND') {
 26        return;
 27    }
 28
 29    $protocol = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on' ? "https" : "http");
 30    $fullUrl = $protocol . "://" . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
 31
 32    // 4. FILTER OUT BOT SIGNATURES (Safety layer)
 33    if (strpos($fullUrl, 'language=') !== false || strpos($fullUrl, '&amp;') !== false) {
 34        return;
 35    }
 36
 37    // 5. FORMAT VISUAL BLOCK
 38    $timestamp = date('Y-m-d h:i:s A');
 39    $ip = $_SERVER['REMOTE_ADDR'];
 40    
 41    // Highlight if they are on the Email Verification page
 42    $statusMarker = "💰 PAID VISITOR";
 43    if (strpos($fullUrl, 'm=emailverification') !== false) {
 44        $statusMarker = "📧 EMAIL VERIFICATION STAGE";
 45    }
 46
 47    $logEntry = "==========================================================================" . PHP_EOL;
 48    $logEntry .= "$statusMarker | TIME: [$timestamp CST]" . PHP_EOL;
 49    $logEntry .= "GCLID: $whmcs_cookie" . PHP_EOL;
 50    $logEntry .= "URL  : $fullUrl" . PHP_EOL;
 51    $logEntry .= "IP   : $ip" . PHP_EOL;
 52    $logEntry .= "==========================================================================" . PHP_EOL . PHP_EOL;
 53
 54    // 6. WRITE TO FILE
 55    file_put_contents($logFile, $logEntry, FILE_APPEND);
 56});