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<?php |
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/** |
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* Plugin Name: Bedrock Autoloader |
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* Plugin URI: https://github.com/roots/bedrock/ |
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* Description: An autoloader that enables standard plugins to be required just like must-use plugins. The autoloaded |
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* plugins are included during mu-plugin loading. An asterisk (*) next to the name of the plugin designates the plugins |
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* that have been autoloaded. Version: 1.0.0 Author: Roots Author URI: https://roots.io/ License: MIT License |
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*/ |
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namespace Roots\Bedrock; |
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if (!is_blog_installed()) { |
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return; |
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} |
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/** |
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* Class Autoloader |
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* @package Roots\Bedrock |
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* @author Roots |
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* @link https://roots.io/ |
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*/ |
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class Autoloader |
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{ |
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/** @var array Store Autoloader cache and site option */ |
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private static $cache; |
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/** @var array Autoloaded plugins */ |
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private static $auto_plugins; |
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/** @var array Autoloaded mu-plugins */ |
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private static $mu_plugins; |
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/** @var int Number of plugins */ |
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private static $count; |
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/** @var array Newly activated plugins */ |
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private static $activated; |
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/** @var string Relative path to the mu-plugins dir */ |
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private static $relative_path; |
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/** @var static Singleton instance */ |
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private static $_single; |
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/** |
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* Create singleton, populate vars, and set WordPress hooks |
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*/ |
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public function __construct() |
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{ |
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if (isset(self::$_single)) { |
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return; |
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} |
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self::$_single = $this; |
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self::$relative_path = '/../' . basename(__DIR__); |
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if (is_admin()) { |
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add_filter('show_advanced_plugins', [$this, 'showInAdmin'], 0, 2); |
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} |
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$this->loadPlugins(); |
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} |
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/** |
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* Run some checks then autoload our plugins. |
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*/ |
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public function loadPlugins() |
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{ |
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$this->checkCache(); |
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$this->validatePlugins(); |
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$this->countPlugins(); |
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array_map(static function () { |
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include_once(WPMU_PLUGIN_DIR . '/' . func_get_args()[0]); |
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}, array_keys(self::$cache['plugins'])); |
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$this->pluginHooks(); |
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} |
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/** |
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* Filter show_advanced_plugins to display the autoloaded plugins. |
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* @param $bool bool Whether to show the advanced plugins for the specified plugin type. |
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* @param $type string The plugin type, i.e., `mustuse` or `dropins` |
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* @return bool We return `false` to prevent WordPress from overriding our work |
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* {@internal We add the plugin details ourselves, so we return false to disable the filter.} |
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*/ |
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public function showInAdmin($show, $type) |
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{ |
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$screen = get_current_screen(); |
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$current = is_multisite() ? 'plugins-network' : 'plugins'; |
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if ($screen->{'base'} != $current || $type != 'mustuse' || !current_user_can('activate_plugins')) { |
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return $show; |
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} |
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$this->updateCache(); |
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self::$auto_plugins = array_map(function ($auto_plugin) { |
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$auto_plugin['Name'] .= ' *'; |
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return $auto_plugin; |
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}, self::$auto_plugins); |
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$GLOBALS['plugins']['mustuse'] = array_unique(array_merge(self::$auto_plugins, self::$mu_plugins), SORT_REGULAR); |
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return false; |
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} |
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/** |
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* This sets the cache or calls for an update |
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*/ |
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private function checkCache() |
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{ |
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$cache = get_site_option('bedrock_autoloader'); |
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if ($cache === false) { |
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$this->updateCache(); |
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return; |
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} |
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self::$cache = $cache; |
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} |
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/** |
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* Get the plugins and mu-plugins from the mu-plugin path and remove duplicates. |
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* Check cache against current plugins for newly activated plugins. |
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* After that, we can update the cache. |
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*/ |
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private function updateCache() |
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{ |
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require_once(ABSPATH . 'wp-admin/includes/plugin.php'); |
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self::$auto_plugins = get_plugins(self::$relative_path); |
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self::$mu_plugins = get_mu_plugins(); |
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$plugins = array_diff_key(self::$auto_plugins, self::$mu_plugins); |
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$rebuild = !is_array(self::$cache['plugins']); |
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self::$activated = ($rebuild) ? $plugins : array_diff_key($plugins, self::$cache['plugins']); |
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self::$cache = array('plugins' => $plugins, 'count' => $this->countPlugins()); |
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update_site_option('bedrock_autoloader', self::$cache); |
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} |
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/** |
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* This accounts for the plugin hooks that would run if the plugins were |
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* loaded as usual. Plugins are removed by deletion, so there's no way |
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* to deactivate or uninstall. |
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*/ |
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private function pluginHooks() |
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{ |
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if (!is_array(self::$activated)) { |
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return; |
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} |
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foreach (self::$activated as $plugin_file => $plugin_info) { |
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do_action('activate_' . $plugin_file); |
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} |
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} |
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/** |
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* Check that the plugin file exists, if it doesn't update the cache. |
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*/ |
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private function validatePlugins() |
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{ |
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foreach (self::$cache['plugins'] as $plugin_file => $plugin_info) { |
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if (!file_exists(WPMU_PLUGIN_DIR . '/' . $plugin_file)) { |
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$this->updateCache(); |
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break; |
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} |
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} |
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} |
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/** |
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* Count the number of autoloaded plugins. |
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* |
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* Count our plugins (but only once) by counting the top level folders in the |
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* mu-plugins dir. If it's more or less than last time, update the cache. |
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* |
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* @return int Number of autoloaded plugins. |
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*/ |
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private function countPlugins() |
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{ |
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if (isset(self::$count)) { |
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return self::$count; |
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} |
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$count = count(glob(WPMU_PLUGIN_DIR . '/*/', GLOB_ONLYDIR | GLOB_NOSORT)); |
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if (!isset(self::$cache['count']) || $count != self::$cache['count']) { |
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self::$count = $count; |
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$this->updateCache(); |
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} |
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return self::$count; |
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} |
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} |
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new Autoloader(); |
undefinedio /
stash
