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 WP_Rocket\Engine\CriticalPath\Admin;
use WP_Rocket\Abstract_Render;
use WP_Rocket\Admin\Options_Data;
use WP_Rocket\Engine\Admin\Beacon\Beacon;
use WP_Rocket\Engine\CriticalPath\CriticalCSS;
class Settings extends Abstract_Render {
/**
* Instance of the Beacon handler.
*
* @var Beacon
*/
private $beacon;
/**
* Instance of options handler.
*
* @var Options_Data
*/
private $options;
/**
* Instance of CriticalCSS.
*
* @var CriticalCSS
*/
private $critical_css;
/**
* Creates an instance of the subscriber.
*
* @param Options_Data $options WP Rocket Options instance.
* @param Beacon $beacon Beacon instance.
* @param CriticalCSS $critical_css CriticalCSS instance.
* @param string $template_path Path to the templates folder.
*/
public function __construct( Options_Data $options, Beacon $beacon, CriticalCSS $critical_css, $template_path ) {
parent::__construct( $template_path );
$this->beacon = $beacon;
$this->options = $options;
$this->critical_css = $critical_css;
}
/**
* Display CPCSS mobile section tool admin view.
*
* @since 3.6
*
* @return void
*/
public function display_cpcss_mobile_section() {
if ( ! current_user_can( 'rocket_manage_options' ) ) {
return;
}
// Bailout if CPCSS is not enabled & separate cache for mobiles is not enabled.
// Or bailout if CPCSS mobile option is false.
if (
! (
$this->options->get( 'async_css', 0 )
&&
$this->options->get( 'cache_mobile', 0 )
&&
$this->options->get( 'do_caching_mobile_files', 0 )
)
||
$this->options->get( 'async_css_mobile', 0 )
) {
return;
}
$data = [
'beacon' => $this->beacon->get_suggest( 'async' ),
];
echo $this->generate( 'activate-cpcss-mobile', $data ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
}
/**
* Enable CPCSS mobile.
*
* @since 3.6
*
* @return void
*/
public function enable_mobile_cpcss() {
check_ajax_referer( 'rocket-ajax', 'nonce', true );
if ( ! current_user_can( 'rocket_manage_options' ) || ! current_user_can( 'rocket_regenerate_critical_css' ) ) {
wp_send_json_error();
return;
}
$this->options->set( 'async_css_mobile', 1 );
update_option( rocket_get_constant( 'WP_ROCKET_SLUG', 'wp_rocket_settings' ), $this->options->get_options() );
// Start Mobile CPCSS process.
$this->critical_css->process_handler( 'mobile' );
wp_send_json_success();
}
/**
* Adds async_css_mobile option to WP Rocket options.
*
* @since 3.6
*
* @param array $options WP Rocket options array.
*
* @return array
*/
public function add_async_css_mobile_option( $options ) {
$options = (array) $options;
$options['async_css_mobile'] = 1;
return $options;
}
/**
* Sets the default value of async_css_mobile to 0 when upgrading from < 3.6.
*
* @since 3.6
*
* @param string $new_version New WP Rocket version.
* @param string $old_version Previous WP Rocket version.
*/
public function set_async_css_mobile_default_value( $new_version, $old_version ) {
if ( version_compare( $old_version, '3.6', '>' ) ) {
return;
}
$options = get_option( 'wp_rocket_settings', [] );
$options['async_css_mobile'] = 0;
update_option( 'wp_rocket_settings', $options );
}
/**
* Adds async_css_mobile to the hidden settings fields.
*
* @since 3.6
*
* @param array $hidden_settings_fields An array of hidden settings fields ID.
*
* @return array
*/
public function add_hidden_async_css_mobile( $hidden_settings_fields ) {
$hidden_settings_fields = (array) $hidden_settings_fields;
$hidden_settings_fields[] = 'async_css_mobile';
return $hidden_settings_fields;
}
}