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_Tab.
*/
class WPSEO_Option_Tab {
/**
* Name of the tab.
*
* @var string
*/
private $name;
/**
* Label of the tab.
*
* @var string
*/
private $label;
/**
* Optional arguments.
*
* @var array
*/
private $arguments;
/**
* WPSEO_Option_Tab constructor.
*
* @param string $name Name of the tab.
* @param string $label Localized label of the tab.
* @param array $arguments Optional arguments.
*/
public function __construct( $name, $label, array $arguments = [] ) {
$this->name = sanitize_title( $name );
$this->label = $label;
$this->arguments = $arguments;
}
/**
* Gets the name.
*
* @return string The name.
*/
public function get_name() {
return $this->name;
}
/**
* Gets the label.
*
* @return string The label.
*/
public function get_label() {
return $this->label;
}
/**
* Retrieves whether the tab needs a save button.
*
* @return bool True whether the tabs needs a save button.
*/
public function has_save_button() {
return (bool) $this->get_argument( 'save_button', true );
}
/**
* Retrieves whether the tab hosts beta functionalities.
*
* @return bool True whether the tab hosts beta functionalities.
*/
public function is_beta() {
return (bool) $this->get_argument( 'beta', false );
}
/**
* Retrieves whether the tab hosts premium functionalities.
*
* @return bool True whether the tab hosts premium functionalities.
*/
public function is_premium() {
return (bool) $this->get_argument( 'premium', false );
}
/**
* Gets the option group.
*
* @return string The option group.
*/
public function get_opt_group() {
return $this->get_argument( 'opt_group' );
}
/**
* Retrieves the variable from the supplied arguments.
*
* @param string $variable Variable to retrieve.
* @param string|mixed $default_value Default to use when variable not found.
*
* @return mixed|string The retrieved variable.
*/
protected function get_argument( $variable, $default_value = '' ) {
return array_key_exists( $variable, $this->arguments ) ? $this->arguments[ $variable ] : $default_value;
}
}