&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8Ÿ§”SÑ’ŸIüÊÙŽ“ø®is¶séM§£HHbLÚQ¯þî·€oJvw’fì™$2±Ø÷þ°*ß‡jçY<‰z-Gä0BåœQoÂÈÙT*Á®½UBÝ•ŠÄtÌˆ$©‰È·’€+Al…?Ãm?	‡é8à’pÆ|æ—¼{CN…wÁ¡¡b	§*¸dVÌ?bê] ÿ×ÓsË£·°Ðë‘ãðêyLJàã	óT8]€‡¿ùlpæwœƒÃ³7ç¯œåeò¿?6î,\/,x!•2ã;Ð&Œ‰@©Iã$¸¤Š‘%O/‚„¶çŒÓaÈüÖ5?MÀÁwGíXüyDŽ—*I=%û¨g¤Ã0ðÈ(ån$ƒ—Qv24«ž‹dJçe¾²¤&t÷+Ê‘½œã < •ì8ÑT‡e0fj b\r–É3Ò|Üq*¼œ.uØ2ÙÖÿî´Î,¿É3½¾Õï£hü×zµâ“"™j¥q(¨ñe®âAñ{gy–öš¶´óWgH!Í‚Äù¬§guu5¹SUä„* að;«3`%“yÝH‰bŸ.'f‹©š6¿òü0,K‰¡ó¿-ÊDø“0•&¼pÀuÕ›	C9Þ,§Zšj;+s9S4QD¤*N€ÂhÄD‰‘H*°‘o¡¾? ž	=˜‡È=aF>DŸ&	v´ð.q$r #£³Ü%«5ŽBFk†á,[¥IzÉ±M)rÐK™”RÖ”Yx"ŠWŸÉE^Ê›tzÍàBÃð&Y)zC{^eÏø`ÿ0÷ž¦‡ *%x«PŠ°a nHòÔ$Š‘l8aÌž>}:ÃÃR{í6&M(÷CV–Ò´êŸ¿”j AßÓ·’©	ËË3|^MÍªïf…Õk}€ÉZë ¶\/z°,º€…AÜ¤-9*OŸ¬L”9duÕJæ¥I ¦Ê¥œd¯	£ˆ–9g§²±©FØP4% 	‰
*­DðŸ’Q""è#Bg¹*éz¡ú©œ—Ð€˜È €'5™<¦Œ™F/ØÐYJ“œÀÓ0¬ÇÉ,í5Í¥÷-ÎŽOÿs|ú«szüï·Çgçƒ·§'Îo³0ú%ã,AR|H³Äº`%˜6
Â#àù›F‹Ò	ä •,„b<fþ à<üWŽXgœ2@²J™C£=Êü] îQèÌ*s84ÏPíëíÐs “<„ªÆì_ÑRIà‘†“JTÚüðÇkÚÎò§šeÞü|väÐ‰²š
0¿>>õósè-0AÜéÜ]°,ò&]²Ñßè’´Ù²n²¡ÈMÂü3Òç¿@ï]áÏ§úáhÂ¼”¦5òÉ% chÊ¼žžºàrèh««r
¢Ì(ˆZÚ5L±=¢‚“ÆÕéßÊ{›ðwÆ’KV7Äs¡À’ ÜoÀYIân{GÜ†lF}–tœ_\;¸º›Ý&¯NÎëPV¦×T.Ì*á6‰èG$ïéJl•Ýdç‹ö×|Q'3sSR	%k1Ó‘…pÉ:É¸°A—ò0àsä^ÏÈ®]%›^é„]¸Ñ¹¯OÎÎÊÞÃ™N­ÍÔ­a©ËœyÀŸ¥4Ô¥Pb¢Uãi…sPòëÕùë¡2	ôÆjŠ¦„ 2‚¯R00†ŒgwÉÚæf{M2«Œµ=™)ºlîTºsÎï‚ºkTi;l
[z*Ý•b‡x‡×›ðÎ’þTf#óÌÈhPÌð¯ÎÔŒzçÓÝs½+”Í­–jØB)l»>Ó		18H±1tœÑ?¸dÍ;íŸlOvÌÎw}.¡Åýf¶•Ù÷¸fžÏw't%ó~,ØÌôc‰dçÆæÐ˜
Uvë$ËçªÏlØo8öÎæŠé+…UÿŠyŠa§µi{dz´r•
 QoG™ÙM¥áS×ÌöæìhMÙ²»o€÷v·ãüÑ>‘h6œÎEûÈÙYÂù.Vá'Á1^÷…ÅišrLWs'%O‰QE”»
qá3{ÂT¸8ï½}âäwK¨³½aêVIU Bf¨MjµQM6ÒD Ücˆ?£~2ãµ‹È´OâgfüÝk›z—óƒì÷ª¨ˆ)ªEµÖ®±=‹[5/qŸ}Ø¾ÒÃ~%?Ìôw«Ôh^T
ÕÃÖF¼Èl *¨ÁøÒ¢â¬ã¼å4U‘¿3ßiõ
>— ¥¤pË.Ê:ðA3S¼|KTôq-å¦ïFŠ³ùµU»÷hs’äÞËÒZg¢ùd>Ü#%ãþà½ÄKæ$É=:µà,S}Õ`»nã(hníãŒõSgf¶×Ðb*ÀþÀ“sý[œz¸AÞË12³:5Òëêìw›«œØ¶8Ã­w9t–”P4 $ØY¾Ù¿íqTæðÃž9ásãä¹nô—mX\8Ä)WVxõrÇà‡hQ -i£§Ê².Q– /Ë ký¢kÖKÎ®Z_^éôµ/ð^±š×"¥”¨V7d^¾ÖúyÊùbîÅò2¾OÛ}ö1
³!yoqu¥¿H÷„“ÙÞâÛóî“Ågû»pîH( æroq¢T¼Ýë]]]­È ´§±\É¸'oDeÏ>ìõWž.~—»HoÞT9Œ…‡lÅQ}¿‹´­L‚çå[rÑÄ½Õ•ÕÅýï*E«êBáí#[	|îtHùÅ
gª—0‰.>pÅÈÕ«îX€ó¸HÜ«	U *—»WAºàñ©ÑÖÛí!×š ´M;£¶P,hÑ -4%&4bû'¨9Ý$qÉ‚r˜aÄwŒ]ò<³zgî.ƒñDÉÝ^Áažˆòq
^ÜgÜ}yhwå[èÝÂ‚†•ÆŽýµþÚ–Ûì®­ž¯>Þ^ïo¯nýÐß„M¦fÃ,ÎºwÙ?5aÓ¦1"ÆQ/mØ¶É;ˆ9Ñq#ï nŠsJ^CÜžY†O»{Ú%_°é•H|¹'bRò;t8Z~—0¦E'Ç8WjBNOº€~œrpO›ajšÑGrÂ°>Ûr[ˆÉ>ó0Ô·'rÄ$8¦ãCTŽ¤1z’¢Õ3ÖæÜ‚ùfgùÓžÆJ]…¦pg¥š!™]W±k¯ zæ¯ìA²löú[½˜}d¡tã‰PÂ]ß\[]ß\w7]éÑù+ïc6ÞíìÛöúõZðâ“ Ä¤®+õ$$`Ä"‰H#‰À$”îšy@‘/‰"oL›w¦#g”ó68Æ„±z%‹&p<¿Ô¡û|É=žs>Öø1m‰s.á‹m¢ó,{n"<´üL&Ú§¼X?•*î¶½5t†S—Tñ"-È°1Õí>ÀÀÂJî¬çì’…"F¾”Y}ò¤¿±ùøës}7^8L?.ô¾îT¤Ð½0>`ÌÝ1¦¿¦1æÉgaŒ½w."&G&rúUé!räŽÜçCL	É¥–`cÈðË‚V5 EŸ”J>ÛðKØ£¡ÇÎþÙJ™Ê2ÎF’ÕYj“ Yóµ*™Œ%æ’Aûfú—­­ÍÕ­õ¯XŽàµ£™Ê‹›…áV|®Ü.®\:©zÀ•/‰+Æ1oð]Z_mWÈ¡¢	¬øüû¿?Y[}¼£È¿ ~ä ã÷' KQâYæÃY®j—ø6lÃÆ UÆ /LÍK~^msJŒJJS–Õ¦²,MÊàw”ñ	Á	—t þ%å
Â.¿‰6fmkcskuãkC›¢½aPÂñÖ¥ÜÏ&&%|:}@œ»!Nÿ|õévÿs§¥—ÅðqÃ¨¤‡|Ém'›sÞ}Ân†—¼ò&ÐhÌLmK®¸âÌÏºÀd£Ææ|¨ÊuÑ½3FªÄKu.ßÂl<í?^_òµ!Lõ"7GöÑcºm¥¡› 5%
ÇLrmLPæK¢Œ¾·üyÔ@–ã"€ú»€ºß8ÇkÞó,€™»îçf&ï\ººhn. ê’z×Ó%^*•ˆX’=jt8•K`f—)%,Á†„%R›ghÙ_%6ÛPbsë«C	–Í;­Hé:¥¸M±a‘øpW|èoÜ>0ÛýÏh?J÷)ÅuÊºûéAˆ' AH¨Ö2Bè¯½qõŽeXÖÔ>«Í"ÙZEªW¼Íù¦2ñÆí/^²Tžoé-ÐÆ×Ýwiˆ	ç2þ!’©ËÓhÐ’cŒ¿S’>ÀÊ—…•Ê‹äC>rlÂG~Òá+F•[¿g:~÷-FªMb’¦KjÝHUÕDLµv'úÿh ²Ú:–â…Ïëüò_PñÛÔÃJcõ×ž[¶¶ú}€??ôgÉT‰ôÿ‡²	¿Î?  