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\Services\Health_Check;
/**
* Abstract class for all health checks. Provides a uniform interface for the Health_Check_Integration.
*/
abstract class Health_Check {
/**
* The prefix to add to the test identifier. Used to differentiate between Yoast's health checks, and other health checks.
*/
public const TEST_IDENTIFIER_PREFIX = 'yoast-';
/**
* The object that runs the actual health check.
*
* @var Runner_Interface
*/
private $runner;
/**
* The health check implementation sets the runner so this class can start a health check.
*
* @param Runner_Interface $runner The health check runner.
* @return void
*/
protected function set_runner( $runner ) {
$this->runner = $runner;
}
/**
* Returns the identifier of health check implementation. WordPress needs this to manage the health check (https://developer.wordpress.org/reference/hooks/site_status_tests/).
*
* @return string The identifier that WordPress requires.
*/
public function get_test_identifier() {
$full_class_name = static::class;
$class_name_backslash_index = \strrpos( $full_class_name, '\\' );
$class_name = $full_class_name;
if ( $class_name_backslash_index ) {
$class_name_index = ( $class_name_backslash_index + 1 );
$class_name = \substr( $full_class_name, $class_name_index );
}
$lowercase = \strtolower( $class_name );
$whitespace_as_dashes = \str_replace( '_', '-', $lowercase );
$with_prefix = self::TEST_IDENTIFIER_PREFIX . $whitespace_as_dashes;
return $with_prefix;
}
/**
* Runs the health check, and returns its result in the format that WordPress requires to show the results to the user (https://developer.wordpress.org/reference/hooks/site_status_test_result/).
*
* @return string[] The array containing a WordPress site status report.
*/
public function run_and_get_result() {
$this->runner->run();
return $this->get_result();
}
/**
* Gets the result from the health check implementation.
*
* @return string[] The array containing a WordPress site status report.
*/
abstract protected function get_result();
/**
* Returns whether the health check should be excluded from the results.
*
* @return bool Whether the check should be excluded.
*/
abstract public function is_excluded();
}