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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<?php
namespace Yoast\WP\SEO\Helpers;
use wpdb;
/**
* The AIOSEO Helper.
*/
class Aioseo_Helper {
/**
* The WordPress database instance.
*
* @var wpdb
*/
protected $wpdb;
/**
* The wpdb helper.
*
* @var Wpdb_Helper
*/
protected $wpdb_helper;
/**
* Class constructor.
*
* @param wpdb $wpdb The WordPress database instance.
* @param Wpdb_Helper $wpdb_helper The wpdb helper.
*/
public function __construct( wpdb $wpdb, Wpdb_Helper $wpdb_helper ) {
$this->wpdb = $wpdb;
$this->wpdb_helper = $wpdb_helper;
}
/**
* Retrieves the AIOSEO table name along with the db prefix.
*
* @return string The AIOSEO table name along with the db prefix.
*/
public function get_table() {
return $this->wpdb->prefix . 'aioseo_posts';
}
/**
* Determines if the AIOSEO database table exists.
*
* @return bool True if the table is found.
*/
public function aioseo_exists() {
return $this->wpdb_helper->table_exists( $this->get_table() ) === true;
}
/**
* Retrieves the option where the global settings exist.
*
* @return array The option where the global settings exist.
*/
public function get_global_option() {
return \json_decode( \get_option( 'aioseo_options', '' ), true );
}
}