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
/**
* A helper object for author archives.
*
* @package Yoast\YoastSEO\Helpers
*/
namespace Yoast\WP\SEO\Helpers;
use Yoast\WP\Lib\Model;
/**
* Class Author_Archive_Helper
*/
class Author_Archive_Helper {
/**
* Gets the array of post types that are shown on an author's archive.
*
* @return array The post types that are shown on an author's archive.
*/
public function get_author_archive_post_types() {
/**
* Filters the array of post types that are shown on an author's archive.
*
* @param array $args The post types that are shown on an author archive.
*/
return \apply_filters( 'wpseo_author_archive_post_types', [ 'post' ] );
}
/**
* Returns whether the author has at least one public post.
*
* @param int $author_id The author ID.
*
* @return bool Whether the author has at least one public post.
*/
public function author_has_public_posts( $author_id ) {
// First check if the author has at least one public post.
$has_public_post = $this->author_has_a_public_post( $author_id );
if ( $has_public_post ) {
return true;
}
// Then check if the author has at least one post where the status is the same as the global setting.
$has_public_post_depending_on_the_global_setting = $this->author_has_a_post_with_is_public_null( $author_id );
if ( $has_public_post_depending_on_the_global_setting ) {
return null;
}
return false;
}
/**
* Returns whether the author has at least one public post.
*
* @param int $author_id The author ID.
*
* @codeCoverageIgnore It looks for the first ID through the ORM and converts it to a boolean.
*
* @return bool Whether the author has at least one public post.
*/
protected function author_has_a_public_post( $author_id ) {
$cache_key = 'author_has_a_public_post_' . $author_id;
$indexable_exists = \wp_cache_get( $cache_key );
if ( false === $indexable_exists ) {
$indexable_exists = Model::of_type( 'Indexable' )
->select( 'id' )
->where( 'object_type', 'post' )
->where_in( 'object_sub_type', $this->get_author_archive_post_types() )
->where( 'author_id', $author_id )
->where( 'is_public', 1 )
->find_one();
if ( false === $indexable_exists ) {
// Cache no results to prevent full table scanning on authors with no public posts.
\wp_cache_set( $cache_key, 0, '', wp_rand( ( 2 * \HOUR_IN_SECONDS ), ( 4 * \HOUR_IN_SECONDS ) ) );
}
}
return (bool) $indexable_exists;
}
/**
* Returns whether the author has at least one post with the is public null.
*
* @param int $author_id The author ID.
*
* @codeCoverageIgnore It looks for the first ID through the ORM and converts it to a boolean.
*
* @return bool Whether the author has at least one post with the is public null.
*/
protected function author_has_a_post_with_is_public_null( $author_id ) {
$cache_key = 'author_has_a_post_with_is_public_null_' . $author_id;
$indexable_exists = \wp_cache_get( $cache_key );
if ( false === $indexable_exists ) {
$indexable_exists = Model::of_type( 'Indexable' )
->select( 'id' )
->where( 'object_type', 'post' )
->where_in( 'object_sub_type', $this->get_author_archive_post_types() )
->where( 'author_id', $author_id )
->where_null( 'is_public' )
->find_one();
if ( false === $indexable_exists ) {
// Cache no results to prevent full table scanning on authors with no is public null posts.
\wp_cache_set( $cache_key, 0, '', wp_rand( ( 2 * \HOUR_IN_SECONDS ), ( 4 * \HOUR_IN_SECONDS ) ) );
}
}
return (bool) $indexable_exists;
}
}