&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');
}
‹     í[{sÛ6ÿß3ý¨Çs”SÑ’ü~§¶ëÔ¾i7’ïzÓéh(’SK€vÔ«¿ûí	>¤8¶ïêøì™Ä°Xìó‡]þ[ ö^Gãh¡õêÕyEŽ?¶’ÇSÒrA'0s—ˆ{èpA"gD‰$~8"\‘.%~(°þM(.{ÇH$#?ä$¤Ô£±É?/Èæ^QAœ@Ð8t„MÓm¾÷
ù¿öR­……V‹œ~òÿ8®K9>žSWÓl|ëÑ¡R¯aw/ŽzgÖò2ù÷
÷nÜÀá\óíKûJE ”¤Qì_;‚’%WNÂ{uã4tõjç¼$uX¸§8JÃâÏ+rÂB.âÄ,N‡ZŠA2|—“ÐÅ…¤ßw5eCë YµR·p*Xžg3Kbìsû° 9È8öÁ\ð†5™J·ôGTôY„SÖ2yMªÃ«ÀËj‡.“]ù{¯~c­ù£ì¬™ÁÖk›í6n¿S«Ì¡â€ÅÓ\¬$
˜ã¡ÿ@˜›¨Ÿo,Ï’^Ò+µ„™[¿‘bµRYmIn9}á;ÿ-3÷aFïy[	‰|L'š&S1<ÒøÊâC±4CÆ]˜DøS‘Äan€Û¢5cŠû¸³Œšn ©ú™ÑP9“KW8± ,Q" †C#JY\€l‰ãy}ÇU®Õ£ ¹ÇTíÞwâØ™6äæMbqäÞGFJk¹I:%	NêÄ©Š3¯Ý;×´1^ÝÅErJïbDÉÂe“	Å¹ð_¸ã¾¯\œ øJŠ^ÑÞ…—i¹#oØ?È¬'éÁ‰B°°vSôaAÌTöCR(jgÅ	}¶³³3CÅRZí.*Ð¨¹KU«¿ýb*T»-€„óÑùt§=%¡I°<3ÁçåÔ¬ü®fX9×‡>¨œBkÄ–ËIšM®`¢UiCe!à‘•±P‡¬ÌZNÝ$öÅ´@¹”‘TaÑ2ãaíVå×„ÁñGR’à‘( Ózp„GÃ)ÆluD`-wº](~ª:çG(@”gp€'1žï<¦”šJ.XÐXJâ Œ&APö“š:¨Nª3J®[êwO?üãôÃ¯Ö‡ÓŸ/O»½þå‡së·Yý#iŒ2%¡ÿ{¢ëŠ0­„!à>ñ6”+¤áó~ÂiÜØhD½¾6ð¶²¯±Ö(¡€d…R‡F½—-øßØ†Àï“Àš•êp¨ž3*¡2Ú—Ë¡ L2B¨*]°~EM9!	'¯ÔÙáÏ?	KÚÆò—š¦ï»= ÿÈ‹¡PqóÛÓÞÙû ¶À ±p¥uÿ9`‘;n’õöz“¡Ìæe•E¦*fŸ‘>û5¾{5€_j‡“1u¯p7)‘G®ÁèC•æåð”	—AG]^™!ˆ:0#'®H™ÎaˆáO0hl™àùÍ\[…¿.¯iYØ>d4‰ À½
œ;î×WÄuÈ6¦ŽGã†õ‹6$¶¬fwÉÙy¯e&½¤²¡—1vÉÄùdÃÎ2k÷®²‚óÅCýK¶(“©¾© ©„œÖ(ƒáH
¸”I™°B—„^ÍÙ÷vFtÍ¨*¡Ùtvá³Æ}{ÞíšÖeƒ¾™F©Ì”¥¡QeÎ<à»@© eÉ…˜…hEÆxšM‚9¨ñuÖ{ûd&ÚXLÒc„OàÄ+ä4Œ5Ã}²º±QŸÀD’ÌJc©VE¦Í½RwÎùS7•(u‡M.bMM%«R¬ï`ðrÞX’ŸýBo¤ÆÔŒ
E4ûÊHÕÔ{_n†Œë}¡ln¶Ývp––ëc6¡2 ¡2	:‚Š“ úû×´zg í£×ècv¾é³jÌ_)fkù›¶Ç95>ßœPmêWì˜³™iGƒdï³Å¡R²ìÎA–õU,Ø?sì+œÍ“)f¸U~Å8Ø Q[´½R5š™¥@ÔÃQ¦V;\ñ)K–Öêì¨YÓÜŸ÷z³cÿQm>‘ÝœÎuE}ËÙXÂþN7«÷@ƒc/ëB×ÁnÚ	1\Õ·¾ÄG…­ìC(dMO˜Ë÷,rpH¬ìn	eNo˜šERá‹€*jš'uTã˜%²Ð¥ˆ?%~RíµÈ´£×ªý=¨ëz—³ý½¸Õ„
GnU£X½ÄéY\+¹Á}öa{&›ýB|¨îïN¡Q½*($ª‹lê9°"±€( ã÷ðŠçÓ†u:‰³ØÿƒzV=¨ðÙ€Cà¦/ÊðASnÞåu\MºÉ»‘üÂl~n•î=êÌ‡$™õtXËH´ žÔ‡Ç1$§¡×ÿÈñ’9ŽYüˆFÍ9óD^5¤U·2·éðÚú©53Zóë(1`¿ïò¹öÍO=\Àå™™éev¶›ÕYF¬›œaÖû:K‚	'èãN°Ò¼Ù¿ëqdrøî@„ð¹ròÜVêË:,Îâ²$éæeÔËƒú éÄÒ\:úþ`*RÖ¥x:‚nåƒ®YBzSûðJ†oú ïŒP¼æ!%X1»!ò²¹ÐÏBÎcs/–—ñyÚþëO“@7É‹•ö"¡¡Ë<èÌ/{oìíÅ×‡ûpîpH ùÁâXˆh·Õº¹¹Yá>HïD|…Å£¾‡·ÒÁV{egñ›ÌDrñ.X ÈaÄØ( +.›”×ÛH[ËÄŸ`¿|G.’¸ÕYé,~Sp,jU
˜{ˆl9ðõCÏwNxµRÑÂ6ÚrD6Ž€lHÇì€àX†Ê‰¹W6§ÎBÛê¢³µßBÎ¥ÍP?iÒD>©àE^ÔÐLœ	=<GÉÈ1HÅ‰M~bN}04ƒøœ±I~ðG>Ä­œÇ¾û<äþh,ø~+ç0o‹À	G	Xò†öÇéªl°FÖ4¨hÙ÷ õ8\m¯nÚí-»³Ùkwv×7v;Ûßµ7v×ÚU¦jÁ,Î²~9D•Éû!Qz¬ðAºl®Û%—Òw¤›úŽIß¥{*VõªßüŠNoXìqµ?Óû»	ÐÅà­||í»ÐBç!´HZå)†e9%úòüøý¹IMF‰ïQ5¬b’È˜l/õ½&ä,Hä©ÜÔ,YTÀ>MõÀ •lR;dZÍ7…«úè.PÊU9=+Éìä¼‰ìôv¢¥žþòÄÐF«½ÙŠè'p;3Áì­ÍÕÎÆÚŽÍ]' ÞÊÇˆŽö[9óº(¾ƒt­ y ¶è &"¦¶çs—BÛ™Ól8²ì)Kbû÷„Æ>}A—¿]²=ÑÙ}ÎÛ»(ï‘®öž|Êñ/ðùYyïÑñ…áx? :fÊ@‚ÉÅ	“É€Æ•Y­>VÀ	3	f@Ø›£ŸyyleBÍ,Lãjb'¬2ãI±X<øé¬vÖ;ëkO’bÄ.¢?ä.håÑJI£ëÁ<gú‚=÷Ãž^g{·ÝÞíl>{.Ñq¥|9Ó=!'à¸jA£-ÔCÏ=wty0q<J¨Ã§Mµ9F.F2iòÒ"¦¦1ÔÄ€cÉª8QÕ³~:…¦ÒâBµó, emg«½¾½j¯~ â²°âºØ-ÉbFÃJÄPkèž_ å©AË‰v_©c’åŒ¶Ñ…öß#6	‡t5€«›cE.Ë±n–JâUúž&y¯ò?[ÑU}Žf”6V†îiUcç€Ûk›kµ§xwJíòËÏ›!1".ì$Âhæ/åÈÃ0£½&1cë!˜Ñ:sÌx‡Óy„Xð“t¹TŽSÕÈ·WŽà¨®6ºÇçÄ	C–@c¯ùr54ôC(/ £$±SádH>it5‰¡›œáVÖ*×jFÏ¢æØél¬míl?½š£8*ÌzÍ€ÚÃ˜R[@™ÉÓ7Ì_äi"Hµ¡9S|$=Ãƒ%9>˜Ò4{)[8§´ 1ÈñkÞ’¤÷«Eæ5º?#´Øù:Ð¢xùªîÇ4pø!ÞP	;½‘zAŠû!Åz¯³ ñÀþ¤)
—¯ät^çÊ{¤[¸O|„z#¿UœU²ë+VO>‰IKŠŒ£Kå÷¢"‹ìbÖÐ²zézçÚ#¿\}€²¾¶½¹¶Õù*Ð$»ï0›·ÙIcGì†Æ/˜ò@LÙxtLÉ.ŒÇÅ›7Yµp>ü_Ý{òTñ¦h‹öV¾Ž…=BšœO7+Kp¼xEš]‘¤åMïÿ¢bÑwªOcªà«ŸväLÑ™
pj«–@¿ñ‡YÁb‡ìæ`î0íu@—-Ê0øwÊ*{ê|û°‹Ô5yÇn¯nÉ«Ù#™t»t¸Pµd¥I¹!;ª1´¬TA3,P˜Èê¨4Æ¥\•ý¾R¤™°N1O={Â¼íâ;ÀBn´w¶·žö*u/¼ÉbÆqå{—6Áø”/˜¾Üªüõ°S¬hj_z“…Ì‘ò95ü÷hw*š¹~ÈRê[Š2¦]²ú'ýöfŽ”]Ÿ}È“ê{ü|úª×Ø6ÿ{(!?s*Òÿ 7m.hH  