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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Current File : /home/rainic/public_html/wp-contentTZh/plugins/elementor/core/utils/plugins-manager.php
<?php

namespace Elementor\Core\Utils;

require_once ABSPATH . 'wp-admin/includes/plugin-install.php';
require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
require_once ABSPATH . 'wp-admin/includes/class-wp-ajax-upgrader-skin.php';
require_once ABSPATH . 'wp-admin/includes/class-plugin-upgrader.php';

use Elementor\Plugin;
use Plugin_Upgrader;
use WP_Ajax_Upgrader_Skin;

class Plugins_Manager {

	/**
	 * @var Plugin_Upgrader
	 */
	private $upgrader;

	public function __construct( $upgrader = null ) {

		// For tests
		if ( $upgrader ) {
			$this->upgrader = $upgrader;
		} else {
			$skin = new WP_Ajax_Upgrader_Skin();
			$this->upgrader = new Plugin_Upgrader( $skin );
		}
	}

	/**
	 * Install plugin or an array of plugins.
	 *
	 * @since 3.6.2
	 *
	 * @param string|array $plugins
	 * @return array [ 'succeeded' => [] , 'failed' => [] ]
	 */
	public function install( $plugins ) {
		$succeeded = [];
		$failed = [];
		$already_installed_plugins = Plugin::$instance->wp->get_plugins();

		if ( ! is_array( $plugins ) ) {
			$plugins = [ $plugins ];
		}

		foreach ( $plugins as $plugin ) {
			if ( in_array( $plugin, $already_installed_plugins->keys()->all(), true ) ) {
				$succeeded[] = $plugin;
				continue;
			}

			$slug = $this->clean_slug( $plugin );

			$api = Plugin::$instance->wp->plugins_api('plugin_information',
				[
					'slug' => $slug,
					'fields' => [
						'short_description' => false,
						'sections' => false,
						'requires' => false,
						'rating' => false,
						'ratings' => false,
						'downloaded' => false,
						'last_updated' => false,
						'added' => false,
						'tags' => false,
						'compatibility' => false,
						'homepage' => false,
						'donate_link' => false,
					],
				]
			);

			if ( ! isset( $api->download_link ) ) {
				$failed[] = $plugin;
				continue;
			}

			$installation = $this->upgrader->install( $api->download_link );

			if ( $installation ) {
				$succeeded[] = $plugin;
			} else {
				$failed[] = $plugin;
			}
		}

		return [
			'succeeded' => $succeeded,
			'failed' => $failed,
		];
	}

	/**
	 * Activate plugin or array off plugins.
	 *
	 * @since 3.6.2
	 *
	 * @param array|string $plugins
	 * @return array [ 'succeeded' => [] , 'failed' => [] ]
	 */
	public function activate( $plugins ) {
		$succeeded = [];
		$failed = [];

		if ( ! is_array( $plugins ) ) {
			$plugins = [ $plugins ];
		}

		foreach ( $plugins as $plugin ) {
			if ( Plugin::$instance->wp->is_plugin_active( $plugin ) ) {
				$succeeded[] = $plugin;
				continue;
			}

			Plugin::$instance->wp->activate_plugin( $plugin );

			if ( Plugin::$instance->wp->is_plugin_active( $plugin ) ) {
				$succeeded[] = $plugin;
			} else {
				$failed[] = $plugin;
			}
		}

		return [
			'succeeded' => $succeeded,
			'failed' => $failed,
		];
	}

	private function clean_slug( $initial_slug ) {
		return explode( '/', $initial_slug )[0];
	}
}

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