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
/**
* WPSEO plugin file.
*
* @package WPSEO\Admin\Options\Tabs
*/
/**
* Class WPSEO_Option_Tabs.
*/
class WPSEO_Option_Tabs {
/**
* Tabs base.
*
* @var string
*/
private $base;
/**
* The tabs in this group.
*
* @var array
*/
private $tabs = [];
/**
* Name of the active tab.
*
* @var string
*/
private $active_tab = '';
/**
* WPSEO_Option_Tabs constructor.
*
* @codeCoverageIgnore
*
* @param string $base Base of the tabs.
* @param string $active_tab Currently active tab.
*/
public function __construct( $base, $active_tab = '' ) {
$this->base = sanitize_title( $base );
// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Reason: We are not processing form information.
$tab = isset( $_GET['tab'] ) && is_string( $_GET['tab'] ) ? sanitize_text_field( wp_unslash( $_GET['tab'] ) ) : '';
$this->active_tab = empty( $tab ) ? $active_tab : $tab;
}
/**
* Get the base.
*
* @return string
*/
public function get_base() {
return $this->base;
}
/**
* Add a tab.
*
* @param WPSEO_Option_Tab $tab Tab to add.
*
* @return $this
*/
public function add_tab( WPSEO_Option_Tab $tab ) {
$this->tabs[] = $tab;
return $this;
}
/**
* Get active tab.
*
* @return WPSEO_Option_Tab|null Get the active tab.
*/
public function get_active_tab() {
if ( empty( $this->active_tab ) ) {
return null;
}
$active_tabs = array_filter( $this->tabs, [ $this, 'is_active_tab' ] );
if ( ! empty( $active_tabs ) ) {
$active_tabs = array_values( $active_tabs );
if ( count( $active_tabs ) === 1 ) {
return $active_tabs[0];
}
}
return null;
}
/**
* Is the tab the active tab.
*
* @param WPSEO_Option_Tab $tab Tab to check for active tab.
*
* @return bool
*/
public function is_active_tab( WPSEO_Option_Tab $tab ) {
return ( $tab->get_name() === $this->active_tab );
}
/**
* Get all tabs.
*
* @return WPSEO_Option_Tab[]
*/
public function get_tabs() {
return $this->tabs;
}
/**
* Display the tabs.
*
* @param Yoast_Form $yform Yoast Form needed in the views.
*
* @return void
*/
public function display( Yoast_Form $yform ) {
$formatter = new WPSEO_Option_Tabs_Formatter();
$formatter->run( $this, $yform );
}
}