&lt;?php
/**
 * Built-in Cache System
 *
 * Ultra-fast page caching system built into the theme
 * No plugins needed - WP Rocket alternative
 *
 * @package MyTheme
 */

// Exit if accessed directly
if (!defined('ABSPATH')) {
    exit;
}

class MyTheme_Cache_System {

    private $cache_dir;
    private $cache_enabled;
    private $cache_duration;

    /**
     * Constructor
     */
    public function __construct() {
        // Cache settings
        $this->cache_enabled = function_exists('mytheme_get_option') ? mytheme_get_option('cache_enabled', true) : true;
        $this->cache_duration = function_exists('mytheme_get_option') ? mytheme_get_option('cache_duration', 3600) : 3600;

        // Cache directory
        $upload_dir = wp_upload_dir();
        $this->cache_dir = $upload_dir['basedir'] . '/mytheme-cache';

        // Initialize
        $this->init();
    }

    /**
     * Initialize cache system
     */
    private function init() {
        if (!$this->cache_enabled) {
            return;
        }

        // Create cache directory
        $this->create_cache_dir();

        // Start output buffering for page caching
        add_action('template_redirect', array($this, 'start_page_cache'), 1);

        // Clear cache actions
        add_action('save_post', array($this, 'clear_post_cache'));
        add_action('comment_post', array($this, 'clear_post_cache'));
        add_action('switch_theme', array($this, 'clear_all_cache'));
        add_action('mytheme_clear_cache', array($this, 'clear_all_cache'));

        // Admin bar cache clear button
        add_action('admin_bar_menu', array($this, 'add_cache_clear_button'), 999);
        add_action('admin_post_mytheme_clear_cache', array($this, 'handle_cache_clear'));

        // AJAX cache clear
        add_action('wp_ajax_mytheme_clear_cache', array($this, 'ajax_clear_cache'));
    }

    /**
     * Create cache directory
     */
    private function create_cache_dir() {
        if (!file_exists($this->cache_dir)) {
            wp_mkdir_p($this->cache_dir);

            // Add .htaccess for security
            $htaccess = $this->cache_dir . '/.htaccess';
            if (!file_exists($htaccess)) {
                file_put_contents($htaccess, 'deny from all');
            }
        }
    }

    /**
     * Get cache file path
     */
    private function get_cache_file_path($url = null) {
        if ($url === null) {
            $url = $_SERVER['REQUEST_URI'];
        }

        // Generate unique cache key
        $cache_key = md5($url . (is_user_logged_in() ? 'logged_in' : 'guest'));

        return $this->cache_dir . '/' . $cache_key . '.html';
    }

    /**
     * Start page caching
     */
    public function start_page_cache() {
        // Don't cache for logged-in users or admin
        if (is_user_logged_in() || is_admin()) {
            return;
        }

        // Don't cache POST requests
        if ($_SERVER['REQUEST_METHOD'] === 'POST') {
            return;
        }

        // Don't cache search, 404, feeds
        if (is_search() || is_404() || is_feed() || is_trackback()) {
            return;
        }

        // Check if cached version exists
        $cache_file = $this->get_cache_file_path();

        if (file_exists($cache_file)) {
            $cache_age = time() - filemtime($cache_file);

            // Serve cached version if not expired
            if ($cache_age < $this->cache_duration) {
                header('X-MyTheme-Cache: HIT');
                header('Cache-Control: max-age=' . $this->cache_duration);
                readfile($cache_file);
                exit;
            } else {
                // Delete expired cache
                unlink($cache_file);
            }
        }

        // Start output buffering to create cache
        header('X-MyTheme-Cache: MISS');
        ob_start(array($this, 'save_page_cache'));
    }

    /**
     * Save page to cache
     */
    public function save_page_cache($html) {
        // Don't cache if HTML is empty or too small
        if (strlen($html) < 255) {
            return $html;
        }

        // Save to cache file
        $cache_file = $this->get_cache_file_path();
        file_put_contents($cache_file, $html);

        return $html;
    }

    /**
     * Clear post cache
     */
    public function clear_post_cache($post_id) {
        $post_url = get_permalink($post_id);
        $cache_file = $this->get_cache_file_path($post_url);

        if (file_exists($cache_file)) {
            unlink($cache_file);
        }

        // Also clear homepage and category archives
        $this->clear_homepage_cache();
    }

    /**
     * Clear homepage cache
     */
    private function clear_homepage_cache() {
        $home_cache = $this->get_cache_file_path('/');
        if (file_exists($home_cache)) {
            unlink($home_cache);
        }
    }

    /**
     * Clear all cache
     */
    public function clear_all_cache() {
        if (!file_exists($this->cache_dir)) {
            return;
        }

        // Delete all cache files
        $files = glob($this->cache_dir . '/*.html');
        foreach ($files as $file) {
            if (is_file($file)) {
                unlink($file);
            }
        }
    }

    /**
     * Add cache clear button to admin bar
     */
    public function add_cache_clear_button($wp_admin_bar) {
        if (!current_user_can('manage_options')) {
            return;
        }

        $wp_admin_bar->add_node(array(
            'id' => 'mytheme-clear-cache',
            'title' => 'Clear Cache',
            'href' => wp_nonce_url(admin_url('admin-post.php?action=mytheme_clear_cache'), 'clear_cache'),
            'meta' => array(
                'title' => 'Clear MyTheme Cache',
            ),
        ));
    }

    /**
     * Handle cache clear from admin bar
     */
    public function handle_cache_clear() {
        check_admin_referer('clear_cache');

        if (!current_user_can('manage_options')) {
            wp_die('Unauthorized');
        }

        $this->clear_all_cache();

        wp_redirect(wp_get_referer());
        exit;
    }

    /**
     * AJAX clear cache
     */
    public function ajax_clear_cache() {
        check_ajax_referer('mytheme-nonce', 'nonce');

        if (!current_user_can('manage_options')) {
            wp_send_json_error('Unauthorized');
        }

        $this->clear_all_cache();

        wp_send_json_success('Cache cleared successfully');
    }

    /**
     * Get cache statistics
     */
    public function get_cache_stats() {
        if (!file_exists($this->cache_dir)) {
            return array(
                'files' => 0,
                'size' => 0,
            );
        }

        $files = glob($this->cache_dir . '/*.html');
        $total_size = 0;

        foreach ($files as $file) {
            $total_size += filesize($file);
        }

        return array(
            'files' => count($files),
            'size' => size_format($total_size),
            'size_bytes' => $total_size,
        );
    }
}

// Initialize cache system
new MyTheme_Cache_System();

/**
 * Helper function to clear cache
 */
function mytheme_clear_cache() {
    do_action('mytheme_clear_cache');
}
‹     Õ\{sÛ¸ÿß3ýlÆSÊ9Ó¢üJlÇIs¹ô’NÓKc¥½™›DB"Ï$Á ]Ïß½» IñÊ”cÓ®g’ÈÄbß¾ ò—@œ½Š½xkøôé–ñÔø>õaù‘ñ†85.–\Ðpìs bÍFLæÔp€Äæ—DÆ§~$˜!`*ü	)Nû'3â û7"J]ê–ñŸÆ'æ\Ra@Ð$"Â¿¢Ù2‰s‰ü?,ÇáÖÖph¼ýêÿ™A‡r|\?¡Ž–[ðpðg—Îüˆºóõ÷_ß™;;Æ·ø¡0ñlëzkË	ç9ß‰„8QR’Æ‰E5¶9+œéžÓˆLêjÇÜ48,:S¥`ñç©ñ†E\$©#X’=*é4ðc–FN4&'§ä$«a¦N… Éóbd[x>·^V6gœ' .øÀ—R-“9ã¹c¼2šf…—¹kÀvèŽq*ÿ=Ó/œ#¿“•sf°ôÁ±mãÒøo&ÕŠ8”°d¹ÚVŒ¸¨?ØÌ"ž¬~ì´í^Ò–fþbN	˜™Ÿ˜¿{†9ÌöjIr³º‘÷‘/|ø¿Ó:sFò5¯&±š'Ý‰fÎT5Ì¾
ûP,K†!í_ge"üI¨H“h%€ëª4Šë8mBÍT“Bh®ÌåBD,q* (Ìf4Á(1cI%lSˆëNˆ£TÐã ¹'T­Ú'IB–¹ø®arä>AFjæÎ®1ªíàM@I’ÁPœ¹v5N®è$f¼¹ŠƒäP¾JÉjÊ,†4ßÈ…/|áxi^-\HÜÀ$w%E¯h»ð*KîµBìŸÒ“ô D!X¤]”à„	L˜€ÒÆzHªE­¬8¡ÎNNNZp(–Rj] y$rZ^¥‰êï¯.Ò.A‚üF¾vZS–	vZ|OµùwÓÃê¾>órZëAl§îô€,¼„IÜ¤-	ª0×Øó„J²Òk9uÒÄË
åvArÞ£-æYebsÿ9acãø#)!’`Jài%zP„K£¥1KXuD`îTWºÞª~j*çG(@”fpOÂ[¯LS
¦ÚLl§I BˆÒ ¨ëI7UŽ’ó¶'o?ýûí§_ÌOoÿõùíÅxòùÓ{ó×¶ý#h‚{J#ÿKšÖ%-…iµAxÜC÷HíbÏø|’ršL6ŸSwâGÌÀfñ«	)Öœ§"YÅƒTÒÐkÙ„¿KÂ#Ð{˜mî ’C3´TBõh_/‡~€`R¨LUaÁú‘rÉpRÑŠNüaÀcI;ØÙ,k–÷ðñ§‹1A!òª)4ÔüáíøÝO?@mbâLóösˆEŽ·kÚ‡»ÆÊl^‡¬(
¨@X|Fúâ¨ñË)üÙTo<ê\âjrG®q
@*7¯›§t¸"tèüªl‚ˆ¡3VÄ]fchbç†ðC4K:x(+Ïm†¿š\Ñ:X>bÄÀÝF8+­øB_ë"›G‰K“ù³•5$–¬fOwïÇõPV¦—Tô"aÁ©’¯¬|.=Q»v“äñ×dQ'S}S%¤4àTÍ‘âR&$%Â]~t¹fÝëëj©*¡ÙtJvëFá~xqQ–.›NdÔÊLY–ªÌÖ”* á^V›h‹hUÆ˜ÍÂ`MTûz7þððLjc±Ä&3x¯âÐ04Ê¾0öŽôlH’67–xr(Òmnåºkò÷ŠzWmE—lV[ÔÔT²*Å
±ƒÀëEø`[~ö+½‘z¦2Šiò•–šSŸm.†‚ëmCÙZo©ªíuÀYV®{,¤Ò ¡2	:‡ŠÓÀèï_Ñæ™”O>'O³ëE_¬ £˜Õò/ËÇÔóõâ„j£¿!Ç›V9–HÎn,Tð²ÎFVôUßX°ßöUœ-6&]¬¤Vù+ÚqÀ¦mÑöTÕhe/eDR™šM¸âSßYVK¨Ü¡5Ù²¸oïz±cÿÑl>1"‘¼9]«
}Ë9ØÆþ.oVê'Á6^Ö…ÁnšDh®êLŠ››è¨²”õ71—f¦ÂÅô]Ó8i˜ÅÙî9;aÚ­’
_TQ+Ó|££ò:“D°‰ˆEÅø3PÛÁOª½¶02íÅ^üJµ¿çº®w§80È¯.RAäR`úg¹X»ó÷ödûN6ûûPÝ_'ÓhTÕÁ6ÓH‘&X@TPã·0ÐŠëÓù9"©ðXâÿN]SÔ+ñ¹ZJ› nùAÙ >cÐÌ7^>%ZÕqw“g#«³õ¾U;÷Ð‰I
éåf--Ñ{RîFœFîä7Ž‡ÌIÂ’;êŠ3OåQCVu+AAq›=žA[¿4[­uu¼ %¦€Øï;|­|WY'ð;I#­Þ)#½ôN{·9ÊAˆºÁ±Þ&él&H0Á•`fùd¿k:*søî\%BøÜÈ<×úR‹WqX‰lñzÔ+ƒ&°Ó éj#:úÉt)2Ö%ÊRÀË-èZ^tµ]
Dt¡½¼’æ›]à½£¯+“¬êÝ`yÅ˜&è&ç²µË;xŸöâÕ×0È›äó'£=û‰A#‡¹Ð™?ù<þ›õüÉ«—[/ ïpp ŽøùOˆøt8\,{Ü‡Ý“˜ï±d>äÀ7$|˜=Ú{'O^þ©"LäT0ç%²äÀÓ\ŸLIt¹Q1t ¢$$°ðÅf–µˆ-×çƒ}[Ð”\ÑÈBÈ¹Ü³ÔÁ¢%˜K–ÃCä]_Žp2÷å¾½lÙÏ¬ý£ñþþ©mŸŽžÛ6ÌÊHV3_5ßKC„E„Uà!ÛþÇˆ"`c÷®ÑÁéÑáé‘ÝŸ>½Ì¹l XøÂs² ;||(túàd8â·/,</ƒmÃ4ŽøZ€%#ûœ†aŽíç§££ÓÑ³þ”¡ @ê”dáa¹	6À Œ[!I.) „ªÃå
ŒN'*ŠÞ€‰Éb1XX4ÏMnÉÒDNÀg1ÃSÈÝAÙ§v¯‚'Å~3œ’0@WÏ æÃ›øL?Ptú)
Øü¤K²Ž@Æö‰r¯ÁXmA+&K¼ÅV¨ÔÖŠ4¬™‘Èƒ²f	¥.7ÒI¥w¬s–¦ÊAÚŒJ’÷
KjuI0¹Éq¤›§ü‡CÃþÒ#si
Û†¬R“€¨uzWwÙìÓÃûŽËújrå,Ùž1]®Ìkž°…ð¯i’~u¨ì¸ËÊ¸•uíí™,û¶®Œ`±5¥aÂ‡áÛä”~`$”ãµcÈQD,+^ü0††êÉ *I.¡„¹ì¸Fã‘rõ{E¡N3ÐS	Ç’±®úIŽ,q#é	ˆºÃh‡ †åx
LnÍ ªÌ)J‚Î8ìñþèþÛ­R†—–UÖÁÊ3`÷0âB>¹ŒØÂ"S–ŠGCùAQ ´UÂ(’#7·®MÝÆ†ëà¾-«CØÅH -K ×CÊ‰82åÑëqÁ¡¹iiURr”•Ÿ¨äH;&÷Ñ	Lô¬(Ep‹¾¤~²´¢4œ¢šÄ‘×—˜‚ÒÇŒÆðûŽŠ! 3È‹÷‹×´Ãu·Èï=Ð•)3<iUšê>»éè9RÜ{ÑEÃaÐ`%òûõöñ›:ÇÞÜ¸y<ÉÚˆ])´y îŽgtÿíVDTñ9uëÙRŽÅ1KDŠ”oªŸðlzÎ²:)ë|Ü2z†}—ÝoPÙÔÇb%Ž[ÃX
º‘bŽÃ°#rzµä˜6ÒËñxj˜c=žä¯Q”cy3§‰ðãÇD—)¹ÿ.ræñx4ºÿžXÞâÏ¸S99Ò~?B<í‘,¡‚øÁŽÆû¶DÒã]¤“rÁB¼»Ãk—¢šY•ÿ—”&>}\X´NS·±oò–#<²8xˆ2¹%(ËuQOhôõò‚W»Kü¢ ôŸiìâ‡”rˆqöÝ0.p• V™ªÛÏ¾±ø‚§êþY§œAó#˜-r*«ÌÎXF‡Ó’­F“2kG1[ÐdSDGqŸ§ÕÐ ªk˜L94þxˆqØo¾ÔåÈÊ1Až¥ƒåF®óhn,ËnxF½ãYÊñm³@Ðíeéuù"_€a	‡!–®:*ïî2ûy|~ÞÉ¬À™ü=ßuitËry¿—\Óþò^§—ß:cé#×ÜPhÎü6ÓG´f[fÉ¿Gƒx/áaìƒÜßC^éL[Òoþ·=yZQ—J4á¡Øöý¿ø¦÷x­y|k˜Ú£‚ÓòV¥|»—ÄŸ{õ7,;°ñ¥ªñø»Ž¿ý Ñ[Ö:w_ºá±OðìsãI¦Õ»²+½rÛÇ³þo]å÷ˆîîÎ°Øã-],l£Û½ž°ÜÒç7Iöó^ÞäÑi¥â/”ðåê[+{T@Ö•ö¥>ßåÁÿd±Èe•<Ëßæyö0ß9XáàòU}tìVÔb·ƒrü¯‚k:à[ø ¦wyÚ’äMaÙõø£Â¢ŸRû®.…HÆB|mQ©ø¢«VŽ7|sD~æT”†ÿ²N}S  