1#@!#!123s

: / home / homehopshortterm / www / wp-content / themes / pixwell / backend /
Filename : class-tgm-plugin-activation.php
back
<?php
/** Don't load directly */
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}
if ( ! class_exists( 'TGM_Plugin_Activation' ) ) {

	/**
	 * Automatic plugin installation and activation library.
	 *
	 * Creates a way to automatically install and activate plugins from within themes.
	 * The plugins can be either bundled, downloaded from the WordPress
	 * Plugin Repository or downloaded from another external source.
	 *
	 * @since 1.0.0
	 *
	 * @package TGM-Plugin-Activation
	 * @author  Thomas Griffin
	 * @author  Gary Jones
	 */
	class TGM_Plugin_Activation {
		/**
		 * TGMPA version number.
		 *
		 * @since 2.5.0
		 *
		 * @const string Version number.
		 */
		const TGMPA_VERSION = '2.6.1';

		/**
		 * Regular expression to test if a URL is a WP plugin repo URL.
		 *
		 * @const string Regex.
		 *
		 * @since 2.5.0
		 */
		const WP_REPO_REGEX = '|^http[s]?://wordpress\.org/(?:extend/)?plugins/|';

		/**
		 * Arbitrary regular expression to test if a string starts with a URL.
		 *
		 * @const string Regex.
		 *
		 * @since 2.5.0
		 */
		const IS_URL_REGEX = '|^http[s]?://|';

		/**
		 * Holds a copy of itself, so it can be referenced by the class name.
		 *
		 * @since 1.0.0
		 *
		 * @var TGM_Plugin_Activation
		 */
		public static $instance;

		/**
		 * Holds arrays of plugin details.
		 *
		 * @since 1.0.0
		 * @since 2.5.0 the array has the plugin slug as an associative key.
		 *
		 * @var array
		 */
		public $plugins = array();

		/**
		 * Holds arrays of plugin names to use to sort the plugins array.
		 *
		 * @since 2.5.0
		 *
		 * @var array
		 */
		protected $sort_order = array();

		/**
		 * Whether any plugins have the 'force_activation' setting set to true.
		 *
		 * @since 2.5.0
		 *
		 * @var bool
		 */
		protected $has_forced_activation = false;

		/**
		 * Whether any plugins have the 'force_deactivation' setting set to true.
		 *
		 * @since 2.5.0
		 *
		 * @var bool
		 */
		protected $has_forced_deactivation = false;

		/**
		 * Name of the unique ID to hash notices.
		 *
		 * @since 2.4.0
		 *
		 * @var string
		 */
		public $id = 'tgmpa';

		/**
		 * Name of the query-string argument for the admin page.
		 *
		 * @since 1.0.0
		 *
		 * @var string
		 */
		protected $menu = 'tgmpa-install-plugins';

		/**
		 * Parent menu file slug.
		 *
		 * @since 2.5.0
		 *
		 * @var string
		 */
		public $parent_slug = 'themes.php';

		/**
		 * Capability needed to view the plugin installation menu item.
		 *
		 * @since 2.5.0
		 *
		 * @var string
		 */
		public $capability = 'edit_theme_options';

		/**
		 * Default absolute path to folder containing bundled plugin zip files.
		 *
		 * @since 2.0.0
		 *
		 * @var string Absolute path prefix to zip file location for bundled plugins. Default is empty string.
		 */
		public $default_path = '';

		/**
		 * Flag to show admin notices or not.
		 *
		 * @since 2.1.0
		 *
		 * @var boolean
		 */
		public $has_notices = true;

		/**
		 * Flag to determine if the user can dismiss the notice nag.
		 *
		 * @since 2.4.0
		 *
		 * @var boolean
		 */
		public $dismissable = true;

		/**
		 * Message to be output above nag notice if dismissable is false.
		 *
		 * @since 2.4.0
		 *
		 * @var string
		 */
		public $dismiss_msg = '';

		/**
		 * Flag to set automatic activation of plugins. Off by default.
		 *
		 * @since 2.2.0
		 *
		 * @var boolean
		 */
		public $is_automatic = false;

		/**
		 * Optional message to display before the plugins table.
		 *
		 * @since 2.2.0
		 *
		 * @var string Message filtered by wp_kses_post(). Default is empty string.
		 */
		public $message = '';

		/**
		 * Holds configurable array of strings.
		 *
		 * Default values are added in the constructor.
		 *
		 * @since 2.0.0
		 *
		 * @var array
		 */
		public $strings = array();

		/**
		 * Holds the version of WordPress.
		 *
		 * @since 2.4.0
		 *
		 * @var int
		 */
		public $wp_version;

		/**
		 * Holds the hook name for the admin page.
		 *
		 * @since 2.5.0
		 *
		 * @var string
		 */
		public $page_hook;

		/**
		 * Adds a reference of this object to $instance, populates default strings,
		 * does the tgmpa_init action hook, and hooks in the interactions to init.
		 *
		 * {@internal This method should be `protected`, but as too many TGMPA implementations
		 * haven't upgraded beyond v2.3.6 yet, this gives backward compatibility issues.
		 * Reverted back to public for the time being.}}
		 *
		 * @since 1.0.0
		 *
		 * @see TGM_Plugin_Activation::init()
		 */
		public function __construct() {
			// Set the current WordPress version.
			$this->wp_version = $GLOBALS['wp_version'];

			// Announce that the class is ready, and pass the object (for advanced use).
			do_action_ref_array( 'tgmpa_init', array( $this ) );

			/*
			 * Load our text domain and allow for overloading the fall-back file.
			 *
			 * {@internal IMPORTANT! If this code changes, review the regex in the custom TGMPA
			 * generator on the website.}}
			 */
			//add_action( 'init', array( $this, 'load_textdomain' ), 5 );
			//add_filter( 'load_textdomain_mofile', array( $this, 'overload_textdomain_mofile' ), 10, 2 );

			// When the rest of WP has loaded, kick-start the rest of the class.
			add_action( 'init', array( $this, 'init' ) );
		}

		/**
		 * Magic method to (not) set protected properties from outside of this class.
		 *
		 * {@internal hackedihack... There is a serious bug in v2.3.2 - 2.3.6  where the `menu` property
		 * is being assigned rather than tested in a conditional, effectively rendering it useless.
		 * This 'hack' prevents this from happening.}}
		 *
		 * @see https://github.com/TGMPA/TGM-Plugin-Activation/blob/2.3.6/tgm-plugin-activation/class-tgm-plugin-activation.php#L1593
		 *
		 * @since 2.5.2
		 *
		 * @param string $name  Name of an inaccessible property.
		 * @param mixed  $value Value to assign to the property.
		 * @return void  Silently fail to set the property when this is tried from outside of this class context.
		 *               (Inside this class context, the __set() method if not used as there is direct access.)
		 */
		public function __set( $name, $value ) {
			return;
		}

		/**
		 * Magic method to get the value of a protected property outside of this class context.
		 *
		 * @since 2.5.2
		 *
		 * @param string $name Name of an inaccessible property.
		 * @return mixed The property value.
		 */
		public function __get( $name ) {
			return $this->{$name};
		}

		/**
		 * Initialise the interactions between this class and WordPress.
		 *
		 * Hooks in three new methods for the class: admin_menu, notices and styles.
		 *
		 * @since 2.0.0
		 *
		 * @see TGM_Plugin_Activation::admin_menu()
		 * @see TGM_Plugin_Activation::notices()
		 * @see TGM_Plugin_Activation::styles()
		 */
		public function init() {
			/**
			 * By default TGMPA only loads on the WP back-end and not in an Ajax call. Using this filter
			 * you can overrule that behaviour.
			 *
			 * @since 2.5.0
			 *
			 * @param bool $load Whether or not TGMPA should load.
			 *                   Defaults to the return of `is_admin() && ! defined( 'DOING_AJAX' )`.
			 */
			if ( true !== apply_filters( 'tgmpa_load', ( is_admin() && ! defined( 'DOING_AJAX' ) ) ) ) {
				return;
			}

			// Load class strings.
			$this->strings = array(
				'page_title'                      => esc_html__( 'Install Required Plugins',  ),
				'menu_title'                      => esc_html__( 'Install Plugins', 'pixwell' ),
				/* translators: %s: plugin name. */
				'installing'                      => esc_html__( 'Installing Plugin: %s', 'pixwell' ),
				/* translators: %s: plugin name. */
				'updating'                        => esc_html__( 'Updating Plugin: %s', 'pixwell' ),
				'oops'                            => esc_html__( 'Something went wrong with the plugin API.', 'pixwell' ),
				'notice_can_install_required'     => _n_noop(
				/* translators: 1: plugin name(s). */
					'This theme requires the following plugin: %1$s.',
					'This theme requires the following plugins: %1$s.',
					'pixwell'
				),
				'notice_can_install_recommended'  => _n_noop(
				/* translators: 1: plugin name(s). */
					'This theme recommends the following plugin: %1$s.',
					'This theme recommends the following plugins: %1$s.',
					'pixwell'
				),
				'notice_ask_to_update'            => _n_noop(
				/* translators: 1: plugin name(s). */
					'The following plugin needs to be updated to its latest version to ensure maximum compatibility with this theme: %1$s.',
					'The following plugins need to be updated to their latest version to ensure maximum compatibility with this theme: %1$s.',
					'pixwell'
				),
				'notice_ask_to_update_maybe'      => _n_noop(
				/* translators: 1: plugin name(s). */
					'There is an update available for: %1$s.',
					'There are updates available for the following plugins: %1$s.',
					'pixwell'
				),
				'notice_can_activate_required'    => _n_noop(
				/* translators: 1: plugin name(s). */
					'The following required plugin is currently inactive: %1$s.',
					'The following required plugins are currently inactive: %1$s.',
					'pixwell'
				),
				'notice_can_activate_recommended' => _n_noop(
				/* translators: 1: plugin name(s). */
					'The following recommended plugin is currently inactive: %1$s.',
					'The following recommended plugins are currently inactive: %1$s.',
					'pixwell'
				),
				'install_link'                    => _n_noop(
					'Begin installing plugin',
					'Begin installing plugins',
					'pixwell'
				),
				'update_link'                     => _n_noop(
					'Begin updating plugin',
					'Begin updating plugins',
					'pixwell'
				),
				'activate_link'                   => _n_noop(
					'Begin activating plugin',
					'Begin activating plugins',
					'pixwell'
				),
				'return'                          => esc_html__( 'Return to Required Plugins Installer', 'pixwell' ),
				'dashboard'                       => esc_html__( 'Return to the Dashboard', 'pixwell' ),
				'plugin_activated'                => esc_html__( 'Plugin activated successfully.', 'pixwell' ),
				'activated_successfully'          => esc_html__( 'The following plugin was activated successfully:', 'pixwell' ),
				/* translators: 1: plugin name. */
				'plugin_already_active'           => esc_html__( 'No action taken. Plugin %1$s was already active.', 'pixwell' ),
				/* translators: 1: plugin name. */
				'plugin_needs_higher_version'     => esc_html__( 'Plugin not activated. A higher version of %s is needed for this theme. Please update the plugin.', 'pixwell' ),
				/* translators: 1: dashboard link. */
				'complete'                        => esc_html__( 'All plugins installed and activated successfully. %1$s', 'pixwell' ),
				'dismiss'                         => esc_html__( 'Dismiss this notice', 'pixwell' ),
				'notice_cannot_install_activate'  => esc_html__( 'There are one or more required or recommended plugins to install, update or activate.', 'pixwell' ),
				'contact_admin'                   => esc_html__( 'Please contact the administrator of this site for help.', 'pixwell' ),
			);

			do_action( 'tgmpa_register' );

			/* After this point, the plugins should be registered and the configuration set. */

			// Proceed only if we have plugins to handle.
			if ( empty( $this->plugins ) || ! is_array( $this->plugins ) ) {
				return;
			}

			// Set up the menu and notices if we still have outstanding actions.
			if ( true !== $this->is_tgmpa_complete() ) {
				// Sort the plugins.
				array_multisort( $this->sort_order, SORT_ASC, $this->plugins );

				add_action( 'admin_menu', array( $this, 'admin_menu' ) );
				add_action( 'admin_head', array( $this, 'dismiss' ) );

				// Prevent the normal links from showing underneath a single install/update page.
				add_filter( 'install_plugin_complete_actions', array( $this, 'actions' ) );
				add_filter( 'update_plugin_complete_actions', array( $this, 'actions' ) );

				if ( $this->has_notices ) {
					add_action( 'admin_notices', array( $this, 'notices' ) );
					add_action( 'admin_init', array( $this, 'admin_init' ), 1 );
					add_action( 'admin_enqueue_scripts', array( $this, 'thickbox' ) );
				}
			} elseif ( is_admin() && ! is_network_admin() && isset( $_GET['page'] ) && 'foxiz-plugins' === $_GET['page'] ) {
				wp_safe_redirect( admin_url( 'admin.php?page=foxiz-admin' ) );
				die();
			}

			// If needed, filter plugin action links.
			add_action( 'load-plugins.php', array( $this, 'add_plugin_action_link_filters' ), 1 );

			// Make sure things get reset on switch theme.
			add_action( 'switch_theme', array( $this, 'flush_plugins_cache' ) );

			if ( $this->has_notices ) {
				add_action( 'switch_theme', array( $this, 'update_dismiss' ) );
			}

			// Setup the force activation hook.
			if ( true === $this->has_forced_activation ) {
				add_action( 'admin_init', array( $this, 'force_activation' ) );
			}

			// Setup the force deactivation hook.
			if ( true === $this->has_forced_deactivation ) {
				add_action( 'switch_theme', array( $this, 'force_deactivation' ) );
			}
		}

		/**
		 * Load translations.
		 *
		 * @since 2.6.0
		 *
		 * (@internal Uses `load_theme_textdomain()` rather than `load_plugin_textdomain()` to
		 * get round the different ways of handling the path and deprecated notices being thrown
		 * and such. For plugins, the actual file name will be corrected by a filter.}}
		 *
		 * {@internal IMPORTANT! If this function changes, review the regex in the custom TGMPA
		 * generator on the website.}}
		 */
		public function load_textdomain() {
			if ( is_textdomain_loaded( 'tgmpa' ) ) {
				return;
			}

			if ( false !== strpos( __FILE__, WP_PLUGIN_DIR ) || false !== strpos( __FILE__, WPMU_PLUGIN_DIR ) ) {
				// Plugin, we'll need to adjust the file name.
				add_action( 'load_textdomain_mofile', array( $this, 'correct_plugin_mofile' ), 10, 2 );
				load_theme_textdomain( 'tgmpa', dirname( __FILE__ ) . '/languages' );
				remove_action( 'load_textdomain_mofile', array( $this, 'correct_plugin_mofile' ), 10 );
			} else {
				load_theme_textdomain( 'tgmpa', dirname( __FILE__ ) . '/languages' );
			}
		}

		/**
		 * Correct the .mo file name for (must-use) plugins.
		 *
		 * Themese use `/path/{locale}.mo` while plugins use `/path/{text-domain}-{locale}.mo`.
		 *
		 * {@internal IMPORTANT! If this function changes, review the regex in the custom TGMPA
		 * generator on the website.}}
		 *
		 * @since 2.6.0
		 *
		 * @param string $mofile Full path to the target mofile.
		 * @param string $domain The domain for which a language file is being loaded.
		 * @return string $mofile
		 */
		public function correct_plugin_mofile( $mofile, $domain ) {
			// Exit early if not our domain (just in case).
			if ( 'tgmpa' !== $domain ) {
				return $mofile;
			}
			return preg_replace( '`/([a-z]{2}_[A-Z]{2}.mo)$`', '/tgmpa-$1', $mofile );
		}

		/**
		 * Potentially overload the fall-back translation file for the current language.
		 *
		 * WP, by default since WP 3.7, will load a local translation first and if none
		 * can be found, will try and find a translation in the /wp-content/languages/ directory.
		 * As this library is theme/plugin agnostic, translation files for TGMPA can exist both
		 * in the WP_LANG_DIR /plugins/ subdirectory as well as in the /themes/ subdirectory.
		 *
		 * This method makes sure both directories are checked.
		 *
		 * {@internal IMPORTANT! If this function changes, review the regex in the custom TGMPA
		 * generator on the website.}}
		 *
		 * @since 2.6.0
		 *
		 * @param string $mofile Full path to the target mofile.
		 * @param string $domain The domain for which a language file is being loaded.
		 * @return string $mofile
		 */
		public function overload_textdomain_mofile( $mofile, $domain ) {
			// Exit early if not our domain, not a WP_LANG_DIR load or if the file exists and is readable.
			if ( 'tgmpa' !== $domain || false === strpos( $mofile, WP_LANG_DIR ) || @is_readable( $mofile ) ) {
				return $mofile;
			}

			// Current fallback file is not valid, let's try the alternative option.
			if ( false !== strpos( $mofile, '/themes/' ) ) {
				return str_replace( '/themes/', '/plugins/', $mofile );
			} elseif ( false !== strpos( $mofile, '/plugins/' ) ) {
				return str_replace( '/plugins/', '/themes/', $mofile );
			} else {
				return $mofile;
			}
		}

		/**
		 * Hook in plugin action link filters for the WP native plugins page.
		 *
		 * - Prevent activation of plugins which don't meet the minimum version requirements.
		 * - Prevent deactivation of force-activated plugins.
		 * - Add update notice if update available.
		 *
		 * @since 2.5.0
		 */
		public function add_plugin_action_link_filters() {
			foreach ( $this->plugins as $slug => $plugin ) {
				if ( false === $this->can_plugin_activate( $slug ) ) {
					add_filter( 'plugin_action_links_' . $plugin['file_path'], array( $this, 'filter_plugin_action_links_activate' ), 20 );
				}

				if ( true === $plugin['force_activation'] ) {
					add_filter( 'plugin_action_links_' . $plugin['file_path'], array( $this, 'filter_plugin_action_links_deactivate' ), 20 );
				}

				if ( false !== $this->does_plugin_require_update( $slug ) ) {
					add_filter( 'plugin_action_links_' . $plugin['file_path'], array( $this, 'filter_plugin_action_links_update' ), 20 );
				}
			}
		}

		/**
		 * Remove the 'Activate' link on the WP native plugins page if the plugin does not meet the
		 * minimum version requirements.
		 *
		 * @since 2.5.0
		 *
		 * @param array $actions Action links.
		 * @return array
		 */
		public function filter_plugin_action_links_activate( $actions ) {
			unset( $actions['activate'] );

			return $actions;
		}

		/**
		 * Remove the 'Deactivate' link on the WP native plugins page if the plugin has been set to force activate.
		 *
		 * @since 2.5.0
		 *
		 * @param array $actions Action links.
		 * @return array
		 */
		public function filter_plugin_action_links_deactivate( $actions ) {
			unset( $actions['deactivate'] );

			return $actions;
		}

		/**
		 * Add a 'Requires update' link on the WP native plugins page if the plugin does not meet the
		 * minimum version requirements.
		 *
		 * @since 2.5.0
		 *
		 * @param array $actions Action links.
		 * @return array
		 */
		public function filter_plugin_action_links_update( $actions ) {
			$actions['update'] = sprintf(
				'<a href="%1$s" title="%2$s" class="edit">%3$s</a>',
				esc_url( $this->get_tgmpa_status_url( 'update' ) ),
				esc_attr__( 'This plugin needs to be updated to be compatible with your theme.', 'pixwell' ),
				esc_html__( 'Update Required', 'pixwell' )
			);

			return $actions;
		}

		/**
		 * Handles calls to show plugin information via links in the notices.
		 *
		 * We get the links in the admin notices to point to the TGMPA page, rather
		 * than the typical plugin-install.php file, so we can prepare everything
		 * beforehand.
		 *
		 * WP does not make it easy to show the plugin information in the thickbox -
		 * here we have to require a file that includes a function that does the
		 * main work of displaying it, enqueue some styles, set up some globals and
		 * finally call that function before exiting.
		 *
		 * Down right easy once you know how...
		 *
		 * Returns early if not the TGMPA page.
		 *
		 * @since 2.1.0
		 *
		 * @global string $tab Used as iframe div class names, helps with styling
		 * @global string $body_id Used as the iframe body ID, helps with styling
		 *
		 * @return null Returns early if not the TGMPA page.
		 */
		public function admin_init() {
			if ( ! $this->is_tgmpa_page() ) {
				return;
			}

			if ( isset( $_REQUEST['tab'] ) && 'plugin-information' === $_REQUEST['tab'] ) {
				// Needed for install_plugin_information().
				require_once ABSPATH . 'wp-admin/includes/plugin-install.php';

				wp_enqueue_style( 'plugin-install' );

				global $tab, $body_id;
				$body_id = 'plugin-information';
				// @codingStandardsIgnoreStart
				$tab     = 'plugin-information';
				// @codingStandardsIgnoreEnd

				install_plugin_information();

				exit;
			}
		}

		/**
		 * Enqueue thickbox scripts/styles for plugin info.
		 *
		 * Thickbox is not automatically included on all admin pages, so we must
		 * manually enqueue it for those pages.
		 *
		 * Thickbox is only loaded if the user has not dismissed the admin
		 * notice or if there are any plugins left to install and activate.
		 *
		 * @since 2.1.0
		 */
		public function thickbox() {
			if ( ! get_user_meta( get_current_user_id(), 'tgmpa_dismissed_notice_' . $this->id, true ) ) {
				add_thickbox();
			}
		}

		/**
		 * Adds submenu page if there are plugin actions to take.
		 *
		 * This method adds the submenu page letting users know that a required
		 * plugin needs to be installed.
		 *
		 * This page disappears once the plugin has been installed and activated.
		 *
		 * @since 1.0.0
		 *
		 * @see TGM_Plugin_Activation::init()
		 * @see TGM_Plugin_Activation::install_plugins_page()
		 *
		 * @return null Return early if user lacks capability to install a plugin.
		 */
		public function admin_menu() {
			// Make sure privileges are correct to see the page.
			if ( ! current_user_can( 'install_plugins' ) ) {
				return;
			}

			$args = apply_filters(
				'tgmpa_admin_menu_args',
				array(
					'parent_slug' => $this->parent_slug,                     // Parent Menu slug.
					'page_title'  => $this->strings['page_title'],           // Page title.
					'menu_title'  => $this->strings['menu_title'],           // Menu title.
					'capability'  => $this->capability,                      // Capability.
					'menu_slug'   => $this->menu,                            // Menu slug.
					'function'    => array( $this, 'install_plugins_page' ), // Callback.
				)
			);

			$this->add_admin_menu( $args );
		}

		/**
		 * Add the menu item.
		 *
		 * {@internal IMPORTANT! If this function changes, review the regex in the custom TGMPA
		 * generator on the website.}}
		 *
		 * @since 2.5.0
		 *
		 * @param array $args Menu item configuration.
		 */
		protected function add_admin_menu( array $args ) {
			$this->page_hook = add_theme_page( $args['page_title'], $args['menu_title'], $args['capability'], $args['menu_slug'], $args['function'] );
		}

		/**
		 * Echoes plugin installation form.
		 *
		 * This method is the callback for the admin_menu method function.
		 * This displays the admin page and form area where the user can select to install and activate the plugin.
		 * Aborts early if we're processing a plugin installation action.
		 *
		 * @since 1.0.0
		 *
		 * @return null Aborts early if we're processing a plugin installation action.
		 */
		public function install_plugins_page() {
			// Store new instance of plugin table in object.
			$plugin_table = new TGMPA_List_Table;

			// Return early if processing a plugin installation action.
			if ( ( ( 'tgmpa-bulk-install' === $plugin_table->current_action() || 'tgmpa-bulk-update' === $plugin_table->current_action() ) && $plugin_table->process_bulk_actions() ) || $this->do_plugin_install() ) {
				return;
			}

			// Force refresh of available plugin information so we'll know about manual updates/deletes.
			wp_clean_plugins_cache( false );

			?>
			<div class="tgmpa wrap">
				<h1><?php echo esc_html( get_admin_page_title() ); ?></h1>
				<?php do_action('ruby_tgmpa_info'); ?>
				<?php $plugin_table->prepare_items(); ?>
				<?php
				if ( ! empty( $this->message ) && is_string( $this->message ) ) {
					echo wp_kses_post( $this->message );
				}
				?>
				<?php $plugin_table->views(); ?>

				<form id="tgmpa-plugins" action="" method="post">
					<input type="hidden" name="tgmpa-page" value="<?php echo esc_attr( $this->menu ); ?>" />
					<input type="hidden" name="plugin_status" value="<?php echo esc_attr( $plugin_table->view_context ); ?>" />
					<?php $plugin_table->display(); ?>
				</form>
			</div>
			<?php
		}

		/**
		 * Installs, updates or activates a plugin depending on the action link clicked by the user.
		 *
		 * Checks the $_GET variable to see which actions have been
		 * passed and responds with the appropriate method.
		 *
		 * Uses WP_Filesystem to process and handle the plugin installation
		 * method.
		 *
		 * @since 1.0.0
		 *
		 * @uses WP_Filesystem
		 * @uses WP_Error
		 * @uses WP_Upgrader
		 * @uses Plugin_Upgrader
		 * @uses Plugin_Installer_Skin
		 * @uses Plugin_Upgrader_Skin
		 *
		 * @return boolean True on success, false on failure.
		 */
		protected function do_plugin_install() {
			if ( empty( $_GET['plugin'] ) ) {
				return false;
			}

			// All plugin information will be stored in an array for processing.
			$slug = $this->sanitize_key( urldecode( $_GET['plugin'] ) );

			if ( ! isset( $this->plugins[ $slug ] ) ) {
				return false;
			}

			// Was an install or upgrade action link clicked?
			if ( ( isset( $_GET['tgmpa-install'] ) && 'install-plugin' === $_GET['tgmpa-install'] ) || ( isset( $_GET['tgmpa-update'] ) && 'update-plugin' === $_GET['tgmpa-update'] ) ) {

				$install_type = 'install';
				if ( isset( $_GET['tgmpa-update'] ) && 'update-plugin' === $_GET['tgmpa-update'] ) {
					$install_type = 'update';
				}

				check_admin_referer( 'tgmpa-' . $install_type, 'tgmpa-nonce' );

				// Pass necessary information via URL if WP_Filesystem is needed.
				$url = wp_nonce_url(
					add_query_arg(
						array(
							'plugin'                 => urlencode( $slug ),
							'tgmpa-' . $install_type => $install_type . '-plugin',
						),
						$this->get_tgmpa_url()
					),
					'tgmpa-' . $install_type,
					'tgmpa-nonce'
				);

				$method = ''; // Leave blank so WP_Filesystem can populate it as necessary.

				if ( false === ( $creds = request_filesystem_credentials( esc_url_raw( $url ), $method, false, false, array() ) ) ) {
					return true;
				}

				if ( ! WP_Filesystem( $creds ) ) {
					request_filesystem_credentials( esc_url_raw( $url ), $method, true, false, array() ); // Setup WP_Filesystem.
					return true;
				}

				/* If we arrive here, we have the filesystem. */

				// Prep variables for Plugin_Installer_Skin class.
				$extra         = array();
				$extra['slug'] = $slug; // Needed for potentially renaming of directory name.
				$source        = $this->get_download_url( $slug );
				$api           = ( 'repo' === $this->plugins[ $slug ]['source_type'] ) ? $this->get_plugins_api( $slug ) : null;
				$api           = ( false !== $api ) ? $api : null;

				$url = add_query_arg(
					array(
						'action' => $install_type . '-plugin',
						'plugin' => urlencode( $slug ),
					),
					'update.php'
				);

				if ( ! class_exists( 'Plugin_Upgrader', false ) ) {
					require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
				}

				$title     = ( 'update' === $install_type ) ? $this->strings['updating'] : $this->strings['installing'];
				$skin_args = array(
					'type'   => ( 'bundled' !== $this->plugins[ $slug ]['source_type'] ) ? 'web' : 'upload',
					'title'  => sprintf( $title, $this->plugins[ $slug ]['name'] ),
					'url'    => esc_url_raw( $url ),
					'nonce'  => $install_type . '-plugin_' . $slug,
					'plugin' => '',
					'api'    => $api,
					'extra'  => $extra,
				);
				unset( $title );

				if ( 'update' === $install_type ) {
					$skin_args['plugin'] = $this->plugins[ $slug ]['file_path'];
					$skin                = new Plugin_Upgrader_Skin( $skin_args );
				} else {
					$skin = new Plugin_Installer_Skin( $skin_args );
				}

				// Create a new instance of Plugin_Upgrader.
				$upgrader = new Plugin_Upgrader( $skin );

				// Perform the action and install the plugin from the $source urldecode().
				add_filter( 'upgrader_source_selection', array( $this, 'maybe_adjust_source_dir' ), 1, 3 );

				if ( 'update' === $install_type ) {
					// Inject our info into the update transient.
					$to_inject                    = array( $slug => $this->plugins[ $slug ] );
					$to_inject[ $slug ]['source'] = $source;
					$this->inject_update_info( $to_inject );

					$upgrader->upgrade( $this->plugins[ $slug ]['file_path'] );
				} else {
					$upgrader->install( $source );
				}

				remove_filter( 'upgrader_source_selection', array( $this, 'maybe_adjust_source_dir' ), 1 );

				// Make sure we have the correct file path now the plugin is installed/updated.
				$this->populate_file_path( $slug );

				// Only activate plugins if the config option is set to true and the plugin isn't
				// already active (upgrade).
				if ( $this->is_automatic && ! $this->is_plugin_active( $slug ) ) {
					$plugin_activate = $upgrader->plugin_info(); // Grab the plugin info from the Plugin_Upgrader method.
					if ( false === $this->activate_single_plugin( $plugin_activate, $slug, true ) ) {
						return true; // Finish execution of the function early as we encountered an error.
					}
				}

				$this->show_tgmpa_version();

				// Display message based on if all plugins are now active or not.
				if ( $this->is_tgmpa_complete() ) {
					echo '<p>', sprintf( esc_html( $this->strings['complete'] ), '<a href="' . esc_url( self_admin_url() ) . '">' . esc_html__( 'Return to the Dashboard', 'pixwell' ) . '</a>' ), '</p>';
					echo '<style type="text/css">#adminmenu .wp-submenu li.current { display: none !important; }</style>';
				} else {
					echo '<p><a href="', esc_url( $this->get_tgmpa_url() ), '" target="_parent">', esc_html( $this->strings['return'] ), '</a></p>';
				}

				return true;
			} elseif ( isset( $this->plugins[ $slug ]['file_path'], $_GET['tgmpa-activate'] ) && 'activate-plugin' === $_GET['tgmpa-activate'] ) {
				// Activate action link was clicked.
				check_admin_referer( 'tgmpa-activate', 'tgmpa-nonce' );

				if ( false === $this->activate_single_plugin( $this->plugins[ $slug ]['file_path'], $slug ) ) {
					return true; // Finish execution of the function early as we encountered an error.
				}
			}

			return false;
		}

		/**
		 * Inject information into the 'update_plugins' site transient as WP checks that before running an update.
		 *
		 * @since 2.5.0
		 *
		 * @param array $plugins The plugin information for the plugins which are to be updated.
		 */
		public function inject_update_info( $plugins ) {
			$repo_updates = get_site_transient( 'update_plugins' );

			if ( ! is_object( $repo_updates ) ) {
				$repo_updates = new stdClass;
			}

			foreach ( $plugins as $slug => $plugin ) {
				$file_path = $plugin['file_path'];

				if ( empty( $repo_updates->response[ $file_path ] ) ) {
					$repo_updates->response[ $file_path ] = new stdClass;
				}

				// We only really need to set package, but let's do all we can in case WP changes something.
				$repo_updates->response[ $file_path ]->slug        = $slug;
				$repo_updates->response[ $file_path ]->plugin      = $file_path;
				$repo_updates->response[ $file_path ]->new_version = $plugin['version'];
				$repo_updates->response[ $file_path ]->package     = $plugin['source'];
				if ( empty( $repo_updates->response[ $file_path ]->url ) && ! empty( $plugin['external_url'] ) ) {
					$repo_updates->response[ $file_path ]->url = $plugin['external_url'];
				}
			}

			set_site_transient( 'update_plugins', $repo_updates );
		}

		/**
		 * Adjust the plugin directory name if necessary.
		 *
		 * The final destination directory of a plugin is based on the subdirectory name found in the
		 * (un)zipped source. In some cases - most notably GitHub repository plugin downloads -, this
		 * subdirectory name is not the same as the expected slug and the plugin will not be recognized
		 * as installed. This is fixed by adjusting the temporary unzipped source subdirectory name to
		 * the expected plugin slug.
		 *
		 * @since 2.5.0
		 *
		 * @param string       $source        Path to upgrade/zip-file-name.tmp/subdirectory/.
		 * @param string       $remote_source Path to upgrade/zip-file-name.tmp.
		 * @param \WP_Upgrader $upgrader      Instance of the upgrader which installs the plugin.
		 * @return string $source
		 */
		public function maybe_adjust_source_dir( $source, $remote_source, $upgrader ) {
			if ( ! $this->is_tgmpa_page() || ! is_object( $GLOBALS['wp_filesystem'] ) ) {
				return $source;
			}

			// Check for single file plugins.
			$source_files = array_keys( $GLOBALS['wp_filesystem']->dirlist( $remote_source ) );
			if ( 1 === count( $source_files ) && false === $GLOBALS['wp_filesystem']->is_dir( $source ) ) {
				return $source;
			}

			// Multi-file plugin, let's see if the directory is correctly named.
			$desired_slug = '';

			// Figure out what the slug is supposed to be.
			if ( false === $upgrader->bulk && ! empty( $upgrader->skin->options['extra']['slug'] ) ) {
				$desired_slug = $upgrader->skin->options['extra']['slug'];
			} else {
				// Bulk installer contains less info, so fall back on the info registered here.
				foreach ( $this->plugins as $slug => $plugin ) {
					if ( ! empty( $upgrader->skin->plugin_names[ $upgrader->skin->i ] ) && $plugin['name'] === $upgrader->skin->plugin_names[ $upgrader->skin->i ] ) {
						$desired_slug = $slug;
						break;
					}
				}
				unset( $slug, $plugin );
			}

			if ( ! empty( $desired_slug ) ) {
				$subdir_name = untrailingslashit( str_replace( trailingslashit( $remote_source ), '', $source ) );

				if ( ! empty( $subdir_name ) && $subdir_name !== $desired_slug ) {
					$from_path = untrailingslashit( $source );
					$to_path   = trailingslashit( $remote_source ) . $desired_slug;

					if ( true === $GLOBALS['wp_filesystem']->move( $from_path, $to_path ) ) {
						return trailingslashit( $to_path );
					} else {
						return new WP_Error( 'rename_failed', esc_html__( 'The remote plugin package does not contain a folder with the desired slug and renaming did not work.', 'pixwell' ) . ' ' . esc_html__( 'Please contact the plugin provider and ask them to package their plugin according to the WordPress guidelines.', 'pixwell' ), array( 'found' => $subdir_name, 'expected' => $desired_slug ) );
					}
				} elseif ( empty( $subdir_name ) ) {
					return new WP_Error( 'packaged_wrong', esc_html__( 'The remote plugin package consists of more than one file, but the files are not packaged in a folder.', 'pixwell' ) . ' ' . esc_html__( 'Please contact the plugin provider and ask them to package their plugin according to the WordPress guidelines.', 'pixwell' ), array( 'found' => $subdir_name, 'expected' => $desired_slug ) );
				}
			}

			return $source;
		}

		/**
		 * Activate a single plugin and send feedback about the result to the screen.
		 *
		 * @since 2.5.0
		 *
		 * @param string $file_path Path within wp-plugins/ to main plugin file.
		 * @param string $slug      Plugin slug.
		 * @param bool   $automatic Whether this is an automatic activation after an install. Defaults to false.
		 *                          This determines the styling of the output messages.
		 * @return bool False if an error was encountered, true otherwise.
		 */
		protected function activate_single_plugin( $file_path, $slug, $automatic = false ) {
			if ( $this->can_plugin_activate( $slug ) ) {
				$activate = activate_plugin( $file_path );

				if ( is_wp_error( $activate ) ) {
					echo '<div id="message" class="error"><p>', wp_kses_post( $activate->get_error_message() ), '</p></div>',
					'<p><a href="', esc_url( $this->get_tgmpa_url() ), '" target="_parent">', esc_html( $this->strings['return'] ), '</a></p>';

					return false; // End it here if there is an error with activation.
				} else {
					if ( ! $automatic ) {
						// Make sure message doesn't display again if bulk activation is performed
						// immediately after a single activation.
						if ( ! isset( $_POST['action'] ) ) { // WPCS: CSRF OK.
							echo '<div id="message" class="updated"><p>', esc_html( $this->strings['activated_successfully'] ), ' <strong>', esc_html( $this->plugins[ $slug ]['name'] ), '.</strong></p></div>';
						}
					} else {
						// Simpler message layout for use on the plugin install page.
						echo '<p>', esc_html( $this->strings['plugin_activated'] ), '</p>';
					}
				}
			} elseif ( $this->is_plugin_active( $slug ) ) {
				// No simpler message format provided as this message should never be encountered
				// on the plugin install page.
				echo '<div id="message" class="error"><p>',
				sprintf(
					esc_html( $this->strings['plugin_already_active'] ),
					'<strong>' . esc_html( $this->plugins[ $slug ]['name'] ) . '</strong>'
				),
				'</p></div>';
			} elseif ( $this->does_plugin_require_update( $slug ) ) {
				if ( ! $automatic ) {
					// Make sure message doesn't display again if bulk activation is performed
					// immediately after a single activation.
					if ( ! isset( $_POST['action'] ) ) { // WPCS: CSRF OK.
						echo '<div id="message" class="error"><p>',
						sprintf(
							esc_html( $this->strings['plugin_needs_higher_version'] ),
							'<strong>' . esc_html( $this->plugins[ $slug ]['name'] ) . '</strong>'
						),
						'</p></div>';
					}
				} else {
					// Simpler message layout for use on the plugin install page.
					echo '<p>', sprintf( esc_html( $this->strings['plugin_needs_higher_version'] ), esc_html( $this->plugins[ $slug ]['name'] ) ), '</p>';
				}
			}

			return true;
		}

		/**
		 * Echoes required plugin notice.
		 *
		 * Outputs a message telling users that a specific plugin is required for
		 * their theme. If appropriate, it includes a link to the form page where
		 * users can install and activate the plugin.
		 *
		 * Returns early if we're on the Install page.
		 *
		 * @since 1.0.0
		 *
		 * @global object $current_screen
		 *
		 * @return null Returns early if we're on the Install page.
		 */
		public function notices() {
			// Remove nag on the install page / Return early if the nag message has been dismissed or user < author.
			if ( ( $this->is_tgmpa_page() || $this->is_core_update_page() ) || get_user_meta( get_current_user_id(), 'tgmpa_dismissed_notice_' . $this->id, true ) || ! current_user_can( apply_filters( 'tgmpa_show_admin_notice_capability', 'publish_posts' ) ) ) {
				return;
			}

			// Store for the plugin slugs by message type.
			$message = array();

			// Initialize counters used to determine plurality of action link texts.
			$install_link_count          = 0;
			$update_link_count           = 0;
			$activate_link_count         = 0;
			$total_required_action_count = 0;

			foreach ( $this->plugins as $slug => $plugin ) {
				if ( $this->is_plugin_active( $slug ) && false === $this->does_plugin_have_update( $slug ) ) {
					continue;
				}

				if ( ! $this->is_plugin_installed( $slug ) ) {
					if ( current_user_can( 'install_plugins' ) ) {
						$install_link_count++;

						if ( true === $plugin['required'] ) {
							$message['notice_can_install_required'][] = $slug;
						} else {
							// $message['notice_can_install_recommended'][] = $slug;
						}
					}
					if ( true === $plugin['required'] ) {
						$total_required_action_count++;
					}
				} else {
					if ( ! $this->is_plugin_active( $slug ) && $this->can_plugin_activate( $slug ) ) {
						if ( current_user_can( 'activate_plugins' ) ) {
							$activate_link_count++;

							if ( true === $plugin['required'] ) {
								$message['notice_can_activate_required'][] = $slug;
							} else {
								// $message['notice_can_activate_recommended'][] = $slug;
							}
						}
						if ( true === $plugin['required'] ) {
							$total_required_action_count++;
						}
					}

					if ( $this->does_plugin_require_update( $slug ) || false !== $this->does_plugin_have_update( $slug ) ) {

						if ( current_user_can( 'update_plugins' ) ) {
							$update_link_count++;

							if ( $this->does_plugin_require_update( $slug ) ) {
								$message['notice_ask_to_update'][] = $slug;
							} elseif ( false !== $this->does_plugin_have_update( $slug ) ) {
								// $message['notice_ask_to_update_maybe'][] = $slug;
							}
						}
						if ( true === $plugin['required'] ) {
							$total_required_action_count++;
						}
					}
				}
			}
			unset( $slug, $plugin );

			// If we have notices to display, we move forward.
			if ( ! empty( $message ) || $total_required_action_count > 0 ) {
				krsort( $message ); // Sort messages.
				$rendered = '<style>#setting-error-tgmpa{margin-top:30px;padding:10px 30px 30px;border:none;border-top:7px solid #ff815c;border-radius:10px;box-shadow:0 4px 20px #0002}#setting-error-tgmpa span{font-size:15px}</style>';

				// As add_settings_error() wraps the final message in a <p> and as the final message can't be
				// filtered, using <p>'s in our html would render invalid html output.
				$line_template = '<span style="display: block; margin: 0.5em 0.5em 0 0; clear: both;">%s</span>' . "\n";

				if ( ! current_user_can( 'activate_plugins' ) && ! current_user_can( 'install_plugins' ) && ! current_user_can( 'update_plugins' ) ) {
					$rendered  = esc_html( $this->strings['notice_cannot_install_activate'] ) . ' ' . esc_html( $this->strings['contact_admin'] );
					$rendered .= $this->create_user_action_links_for_notice( 0, 0, 0, $line_template );
				} else {

					// If dismissable is false and a message is set, output it now.
					if ( ! $this->dismissable && ! empty( $this->dismiss_msg ) ) {
						$rendered .= sprintf( $line_template, wp_kses_post( $this->dismiss_msg ) );
					}

					// Render the individual message lines for the notice.
					foreach ( $message as $type => $plugin_group ) {
						$linked_plugins = array();

						// Get the external info link for a plugin if one is available.
						foreach ( $plugin_group as $plugin_slug ) {
							$linked_plugins[] = $this->get_info_link( $plugin_slug );
						}
						unset( $plugin_slug );

						$count          = count( $plugin_group );
						$linked_plugins = array_map( array( 'TGMPA_Utils', 'wrap_in_em' ), $linked_plugins );
						$last_plugin    = array_pop( $linked_plugins ); // Pop off last name to prep for readability.
						$imploded       = empty( $linked_plugins ) ? $last_plugin : ( implode( ', ', $linked_plugins ) . ' ' . esc_html_x( 'and', 'plugin A *and* plugin B', 'pixwell' ) . ' ' . $last_plugin );

						$rendered .= sprintf(
							$line_template,
							sprintf(
								translate_nooped_plural( $this->strings[ $type ], $count, 'pixwell' ),
								$imploded,
								$count
							)
						);

					}
					unset( $type, $plugin_group, $linked_plugins, $count, $last_plugin, $imploded );

					$rendered .= $this->create_user_action_links_for_notice( $install_link_count, $update_link_count, $activate_link_count, $line_template );
				}

				// Register the nag messages and prepare them to be processed.
				add_settings_error( 'tgmpa', 'tgmpa', $rendered, $this->get_admin_notice_class() );
			}

			// Admin options pages already output settings_errors, so this is to avoid duplication.
			if ( 'options-general' !== $GLOBALS['current_screen']->parent_base ) {
				$this->display_settings_errors();
			}
		}

		/**
		 * Generate the user action links for the admin notice.
		 *
		 * @since 2.6.0
		 *
		 * @param int $install_count  Number of plugins to install.
		 * @param int $update_count   Number of plugins to update.
		 * @param int $activate_count Number of plugins to activate.
		 * @param int $line_template  Template for the HTML tag to output a line.
		 * @return string Action links.
		 */
		protected function create_user_action_links_for_notice( $install_count, $update_count, $activate_count, $line_template ) {
			// Setup action links.
			$action_links = array(
				'install'  => '',
				'update'   => '',
				'activate' => '',
				'dismiss'  => $this->dismissable ? '<a href="' . esc_url( wp_nonce_url( add_query_arg( 'tgmpa-dismiss', 'dismiss_admin_notices' ), 'tgmpa-dismiss-' . get_current_user_id() ) ) . '" class="dismiss-notice" target="_parent">' . esc_html( $this->strings['dismiss'] ) . '</a>' : '',
			);

			$link_template = '<a href="%2$s">%1$s</a>';

			if ( current_user_can( 'install_plugins' ) ) {
				if ( $install_count > 0 ) {
					$action_links['install'] = sprintf(
						$link_template,
						translate_nooped_plural( $this->strings['install_link'], $install_count, 'tgmpa' ),
						esc_url( $this->get_tgmpa_status_url( 'install' ) )
					);
				}
				if ( $update_count > 0 ) {
					$action_links['update'] = sprintf(
						$link_template,
						translate_nooped_plural( $this->strings['update_link'], $update_count, 'tgmpa' ),
						esc_url( $this->get_tgmpa_status_url( 'update' ) )
					);
				}
			}

			if ( current_user_can( 'activate_plugins' ) && $activate_count > 0 ) {
				$action_links['activate'] = sprintf(
					$link_template,
					translate_nooped_plural( $this->strings['activate_link'], $activate_count, 'tgmpa' ),
					esc_url( $this->get_tgmpa_status_url( 'activate' ) )
				);
			}

			$action_links = apply_filters( 'tgmpa_notice_action_links', $action_links );

			$action_links = array_filter( (array) $action_links ); // Remove any empty array items.

			if ( ! empty( $action_links ) ) {
				$action_links = sprintf( $line_template, implode( ' | ', $action_links ) );
				return apply_filters( 'tgmpa_notice_rendered_action_links', $action_links );
			} else {
				return '';
			}
		}

		/**
		 * Get admin notice class.
		 *
		 * Work around all the changes to the various admin notice classes between WP 4.4 and 3.7
		 * (lowest supported version by TGMPA).
		 *
		 * @since 2.6.0
		 *
		 * @return string
		 */
		protected function get_admin_notice_class() {
			if ( ! empty( $this->strings['nag_type'] ) ) {
				return sanitize_html_class( strtolower( $this->strings['nag_type'] ) );
			} else {
				if ( version_compare( $this->wp_version, '4.2', '>=' ) ) {
					return 'notice-warning';
				} elseif ( version_compare( $this->wp_version, '4.1', '>=' ) ) {
					return 'notice';
				} else {
					return 'updated';
				}
			}
		}

		/**
		 * Display settings errors and remove those which have been displayed to avoid duplicate messages showing
		 *
		 * @since 2.5.0
		 */
		protected function display_settings_errors() {
			global $wp_settings_errors;

			settings_errors( 'tgmpa' );

			foreach ( (array) $wp_settings_errors as $key => $details ) {
				if ( 'tgmpa' === $details['setting'] ) {
					unset( $wp_settings_errors[ $key ] );
					break;
				}
			}
		}

		/**
		 * Register dismissal of admin notices.
		 *
		 * Acts on the dismiss link in the admin nag messages.
		 * If clicked, the admin notice disappears and will no longer be visible to this user.
		 *
		 * @since 2.1.0
		 */
		public function dismiss() {
			if ( isset( $_GET['tgmpa-dismiss'] ) && check_admin_referer( 'tgmpa-dismiss-' . get_current_user_id() ) ) {
				update_user_meta( get_current_user_id(), 'tgmpa_dismissed_notice_' . $this->id, 1 );
			}
		}

		/**
		 * Add individual plugin to our collection of plugins.
		 *
		 * If the required keys are not set or the plugin has already
		 * been registered, the plugin is not added.
		 *
		 * @since 2.0.0
		 *
		 * @param array|null $plugin Array of plugin arguments or null if invalid argument.
		 * @return null Return early if incorrect argument.
		 */
		public function register( $plugin ) {
			if ( empty( $plugin['slug'] ) || empty( $plugin['name'] ) ) {
				return;
			}

			if ( empty( $plugin['slug'] ) || ! is_string( $plugin['slug'] ) || isset( $this->plugins[ $plugin['slug'] ] ) ) {
				return;
			}

			$defaults = array(
				'name'               => '',      // String
				'slug'               => '',      // String
				'source'             => 'repo',  // String
				'required'           => false,   // Boolean
				'version'            => '',      // String
				'force_activation'   => false,   // Boolean
				'force_deactivation' => false,   // Boolean
				'external_url'       => '',      // String
				'is_callable'        => '',      // String|Array.
			);

			// Prepare the received data.
			$plugin = wp_parse_args( $plugin, $defaults );

			// Standardize the received slug.
			$plugin['slug'] = $this->sanitize_key( $plugin['slug'] );

			// Forgive users for using string versions of booleans or floats for version number.
			$plugin['version']            = (string) $plugin['version'];
			$plugin['source']             = empty( $plugin['source'] ) ? 'repo' : $plugin['source'];
			$plugin['required']           = TGMPA_Utils::validate_bool( $plugin['required'] );
			$plugin['force_activation']   = TGMPA_Utils::validate_bool( $plugin['force_activation'] );
			$plugin['force_deactivation'] = TGMPA_Utils::validate_bool( $plugin['force_deactivation'] );

			// Enrich the received data.
			$plugin['file_path']   = $this->_get_plugin_basename_from_slug( $plugin['slug'] );
			$plugin['source_type'] = $this->get_plugin_source_type( $plugin['source'] );

			// Set the class properties.
			$this->plugins[ $plugin['slug'] ]    = $plugin;
			$this->sort_order[ $plugin['slug'] ] = $plugin['name'];

			// Should we add the force activation hook ?
			if ( true === $plugin['force_activation'] ) {
				$this->has_forced_activation = true;
			}

			// Should we add the force deactivation hook ?
			if ( true === $plugin['force_deactivation'] ) {
				$this->has_forced_deactivation = true;
			}
		}

		/**
		 * Determine what type of source the plugin comes from.
		 *
		 * @since 2.5.0
		 *
		 * @param string $source The source of the plugin as provided, either empty (= WP repo), a file path
		 *                       (= bundled) or an external URL.
		 * @return string 'repo', 'external', or 'bundled'
		 */
		protected function get_plugin_source_type( $source ) {
			if ( 'repo' === $source || preg_match( self::WP_REPO_REGEX, $source ) ) {
				return 'repo';
			} elseif ( preg_match( self::IS_URL_REGEX, $source ) ) {
				return 'external';
			} else {
				return 'bundled';
			}
		}

		/**
		 * Sanitizes a string key.
		 *
		 * Near duplicate of WP Core `sanitize_key()`. The difference is that uppercase characters *are*
		 * allowed, so as not to break upgrade paths from non-standard bundled plugins using uppercase
		 * characters in the plugin directory path/slug. Silly them.
		 *
		 * @see https://developer.wordpress.org/reference/hooks/sanitize_key/
		 *
		 * @since 2.5.0
		 *
		 * @param string $key String key.
		 * @return string Sanitized key
		 */
		public function sanitize_key( $key ) {
			$raw_key = $key;
			$key     = preg_replace( '`[^A-Za-z0-9_-]`', '', $key );

			/**
			 * Filter a sanitized key string.
			 *
			 * @since 2.5.0
			 *
			 * @param string $key     Sanitized key.
			 * @param string $raw_key The key prior to sanitization.
			 */
			return apply_filters( 'tgmpa_sanitize_key', $key, $raw_key );
		}

		/**
		 * Amend default configuration settings.
		 *
		 * @since 2.0.0
		 *
		 * @param array $config Array of config options to pass as class properties.
		 */
		public function config( $config ) {
			$keys = array(
				'id',
				'default_path',
				'has_notices',
				'dismissable',
				'dismiss_msg',
				'menu',
				'parent_slug',
				'capability',
				'is_automatic',
				'message',
				'strings',
			);

			foreach ( $keys as $key ) {
				if ( isset( $config[ $key ] ) ) {
					if ( is_array( $config[ $key ] ) ) {
						$this->$key = array_merge( $this->$key, $config[ $key ] );
					} else {
						$this->$key = $config[ $key ];
					}
				}
			}
		}

		/**
		 * Amend action link after plugin installation.
		 *
		 * @since 2.0.0
		 *
		 * @param array $install_actions Existing array of actions.
		 * @return false|array Amended array of actions.
		 */
		public function actions( $install_actions ) {
			// Remove action links on the TGMPA install page.
			if ( $this->is_tgmpa_page() ) {
				return false;
			}

			return $install_actions;
		}

		/**
		 * Flushes the plugins cache on theme switch to prevent stale entries
		 * from remaining in the plugin table.
		 *
		 * @since 2.4.0
		 *
		 * @param bool $clear_update_cache Optional. Whether to clear the Plugin updates cache.
		 *                                 Parameter added in v2.5.0.
		 */
		public function flush_plugins_cache( $clear_update_cache = true ) {
			wp_clean_plugins_cache( $clear_update_cache );
		}

		/**
		 * Set file_path key for each installed plugin.
		 *
		 * @since 2.1.0
		 *
		 * @param string $plugin_slug Optional. If set, only (re-)populates the file path for that specific plugin.
		 *                            Parameter added in v2.5.0.
		 */
		public function populate_file_path( $plugin_slug = '' ) {
			if ( ! empty( $plugin_slug ) && is_string( $plugin_slug ) && isset( $this->plugins[ $plugin_slug ] ) ) {
				$this->plugins[ $plugin_slug ]['file_path'] = $this->_get_plugin_basename_from_slug( $plugin_slug );
			} else {
				// Add file_path key for all plugins.
				foreach ( $this->plugins as $slug => $values ) {
					$this->plugins[ $slug ]['file_path'] = $this->_get_plugin_basename_from_slug( $slug );
				}
			}
		}

		/**
		 * Helper function to extract the file path of the plugin file from the
		 * plugin slug, if the plugin is installed.
		 *
		 * @since 2.0.0
		 *
		 * @param string $slug Plugin slug (typically folder name) as provided by the developer.
		 * @return string Either file path for plugin if installed, or just the plugin slug.
		 */
		protected function _get_plugin_basename_from_slug( $slug ) {
			$keys = array_keys( $this->get_plugins() );

			foreach ( $keys as $key ) {
				if ( preg_match( '|^' . $slug . '/|', $key ) ) {
					return $key;
				}
			}

			return $slug;
		}

		/**
		 * Retrieve plugin data, given the plugin name.
		 *
		 * Loops through the registered plugins looking for $name. If it finds it,
		 * it returns the $data from that plugin. Otherwise, returns false.
		 *
		 * @since 2.1.0
		 *
		 * @param string $name Name of the plugin, as it was registered.
		 * @param string $data Optional. Array key of plugin data to return. Default is slug.
		 * @return string|boolean Plugin slug if found, false otherwise.
		 */
		public function _get_plugin_data_from_name( $name, $data = 'slug' ) {
			foreach ( $this->plugins as $values ) {
				if ( $name === $values['name'] && isset( $values[ $data ] ) ) {
					return $values[ $data ];
				}
			}

			return false;
		}

		/**
		 * Retrieve the download URL for a package.
		 *
		 * @since 2.5.0
		 *
		 * @param string $slug Plugin slug.
		 * @return string Plugin download URL or path to local file or empty string if undetermined.
		 */
		public function get_download_url( $slug ) {
			$dl_source = '';

			switch ( $this->plugins[ $slug ]['source_type'] ) {
				case 'repo':
					return $this->get_wp_repo_download_url( $slug );
				case 'external':
					return $this->plugins[ $slug ]['source'];
				case 'bundled':
					return $this->default_path . $this->plugins[ $slug ]['source'];
			}

			return $dl_source; // Should never happen.
		}

		/**
		 * Retrieve the download URL for a WP repo package.
		 *
		 * @since 2.5.0
		 *
		 * @param string $slug Plugin slug.
		 * @return string Plugin download URL.
		 */
		protected function get_wp_repo_download_url( $slug ) {
			$source = '';
			$api    = $this->get_plugins_api( $slug );

			if ( false !== $api && isset( $api->download_link ) ) {
				$source = $api->download_link;
			}

			return $source;
		}

		/**
		 * Try to grab information from WordPress API.
		 *
		 * @since 2.5.0
		 *
		 * @param string $slug Plugin slug.
		 * @return object Plugins_api response object on success, WP_Error on failure.
		 */
		protected function get_plugins_api( $slug ) {
			static $api = array(); // Cache received responses.

			if ( ! isset( $api[ $slug ] ) ) {
				if ( ! function_exists( 'plugins_api' ) ) {
					require_once ABSPATH . 'wp-admin/includes/plugin-install.php';
				}

				$response = plugins_api( 'plugin_information', array( 'slug' => $slug, 'fields' => array( 'sections' => false ) ) );

				$api[ $slug ] = false;

				if ( is_wp_error( $response ) ) {
					wp_die( esc_html( $this->strings['oops'] ) );
				} else {
					$api[ $slug ] = $response;
				}
			}

			return $api[ $slug ];
		}

		/**
		 * Retrieve a link to a plugin information page.
		 *
		 * @since 2.5.0
		 *
		 * @param string $slug Plugin slug.
		 * @return string Fully formed html link to a plugin information page if available
		 *                or the plugin name if not.
		 */
		public function get_info_link( $slug ) {
			if ( ! empty( $this->plugins[ $slug ]['external_url'] ) && preg_match( self::IS_URL_REGEX, $this->plugins[ $slug ]['external_url'] ) ) {
				$link = sprintf(
					'<a href="%1$s" target="_blank">%2$s</a>',
					esc_url( $this->plugins[ $slug ]['external_url'] ),
					esc_html( $this->plugins[ $slug ]['name'] )
				);
			} elseif ( 'repo' === $this->plugins[ $slug ]['source_type'] ) {
				$url = add_query_arg(
					array(
						'tab'       => 'plugin-information',
						'plugin'    => urlencode( $slug ),
						'TB_iframe' => 'true',
						'width'     => '640',
						'height'    => '500',
					),
					self_admin_url( 'plugin-install.php' )
				);

				$link = sprintf(
					'<a href="%1$s" class="thickbox">%2$s</a>',
					esc_url( $url ),
					esc_html( $this->plugins[ $slug ]['name'] )
				);
			} else {
				$link = esc_html( $this->plugins[ $slug ]['name'] ); // No hyperlink.
			}

			return $link;
		}

		/**
		 * Determine if we're on the TGMPA Install page.
		 *
		 * @since 2.1.0
		 *
		 * @return boolean True when on the TGMPA page, false otherwise.
		 */
		protected function is_tgmpa_page() {
			return isset( $_GET['page'] ) && $this->menu === $_GET['page'];
		}

		/**
		 * Determine if we're on a WP Core installation/upgrade page.
		 *
		 * @since 2.6.0
		 *
		 * @return boolean True when on a WP Core installation/upgrade page, false otherwise.
		 */
		protected function is_core_update_page() {
			// Current screen is not always available, most notably on the customizer screen.
			if ( ! function_exists( 'get_current_screen' ) ) {
				return false;
			}

			$screen = get_current_screen();

			if ( 'update-core' === $screen->base ) {
				// Core update screen.
				return true;
			} elseif ( 'plugins' === $screen->base && ! empty( $_POST['action'] ) ) { // WPCS: CSRF ok.
				// Plugins bulk update screen.
				return true;
			} elseif ( 'update' === $screen->base && ! empty( $_POST['action'] ) ) { // WPCS: CSRF ok.
				// Individual updates (ajax call).
				return true;
			}

			return false;
		}

		/**
		 * Retrieve the URL to the TGMPA Install page.
		 *
		 * I.e. depending on the config settings passed something along the lines of:
		 * http://example.com/wp-admin/themes.php?page=tgmpa-install-plugins
		 *
		 * @since 2.5.0
		 *
		 * @return string Properly encoded URL (not escaped).
		 */
		public function get_tgmpa_url() {
			static $url;

			if ( ! isset( $url ) ) {
				$parent = $this->parent_slug;
				if ( false === strpos( $parent, '.php' ) ) {
					$parent = 'admin.php';
				}
				$url = add_query_arg(
					array(
						'page' => urlencode( $this->menu ),
					),
					self_admin_url( $parent )
				);
			}

			return $url;
		}

		/**
		 * Retrieve the URL to the TGMPA Install page for a specific plugin status (view).
		 *
		 * I.e. depending on the config settings passed something along the lines of:
		 * http://example.com/wp-admin/themes.php?page=tgmpa-install-plugins&plugin_status=install
		 *
		 * @since 2.5.0
		 *
		 * @param string $status Plugin status - either 'install', 'update' or 'activate'.
		 * @return string Properly encoded URL (not escaped).
		 */
		public function get_tgmpa_status_url( $status ) {
			return add_query_arg(
				array(
					'plugin_status' => urlencode( $status ),
				),
				$this->get_tgmpa_url()
			);
		}

		/**
		 * Determine whether there are open actions for plugins registered with TGMPA.
		 *
		 * @since 2.5.0
		 *
		 * @return bool True if complete, i.e. no outstanding actions. False otherwise.
		 */
		public function is_tgmpa_complete() {
			$complete = true;
			//add for redirect when all plugin active at first time
			foreach ( $this->plugins as $slug => $plugin ) {
				if ( ! $this->is_plugin_active( $slug ) || false !== $this->does_plugin_have_update( $slug ) ) {
					$complete = false;
					break;
				}
			}

			return $complete;
		}

		/**
		 * Check if a plugin is installed. Does not take must-use plugins into account.
		 *
		 * @since 2.5.0
		 *
		 * @param string $slug Plugin slug.
		 * @return bool True if installed, false otherwise.
		 */
		public function is_plugin_installed( $slug ) {
			$installed_plugins = $this->get_plugins(); // Retrieve a list of all installed plugins (WP cached).

			return ( ! empty( $installed_plugins[ $this->plugins[ $slug ]['file_path'] ] ) );
		}

		/**
		 * Check if a plugin is active.
		 *
		 * @since 2.5.0
		 *
		 * @param string $slug Plugin slug.
		 * @return bool True if active, false otherwise.
		 */
		public function is_plugin_active( $slug ) {
			return ( ( ! empty( $this->plugins[ $slug ]['is_callable'] ) && is_callable( $this->plugins[ $slug ]['is_callable'] ) ) || is_plugin_active( $this->plugins[ $slug ]['file_path'] ) );
		}

		/**
		 * Check if a plugin can be updated, i.e. if we have information on the minimum WP version required
		 * available, check whether the current install meets them.
		 *
		 * @since 2.5.0
		 *
		 * @param string $slug Plugin slug.
		 * @return bool True if OK to update, false otherwise.
		 */
		public function can_plugin_update( $slug ) {
			// We currently can't get reliable info on non-WP-repo plugins - issue #380.
			if ( 'repo' !== $this->plugins[ $slug ]['source_type'] ) {
				return true;
			}

			$api = $this->get_plugins_api( $slug );

			if ( false !== $api && isset( $api->requires ) ) {
				return version_compare( $this->wp_version, $api->requires, '>=' );
			}

			// No usable info received from the plugins API, presume we can update.
			return true;
		}

		/**
		 * Check to see if the plugin is 'updatetable', i.e. installed, with an update available
		 * and no WP version requirements blocking it.
		 *
		 * @since 2.6.0
		 *
		 * @param string $slug Plugin slug.
		 * @return bool True if OK to proceed with update, false otherwise.
		 */
		public function is_plugin_updatetable( $slug ) {
			if ( ! $this->is_plugin_installed( $slug ) ) {
				return false;
			} else {
				return ( false !== $this->does_plugin_have_update( $slug ) && $this->can_plugin_update( $slug ) );
			}
		}

		/**
		 * Check if a plugin can be activated, i.e. is not currently active and meets the minimum
		 * plugin version requirements set in TGMPA (if any).
		 *
		 * @since 2.5.0
		 *
		 * @param string $slug Plugin slug.
		 * @return bool True if OK to activate, false otherwise.
		 */
		public function can_plugin_activate( $slug ) {
			return ( ! $this->is_plugin_active( $slug ) && ! $this->does_plugin_require_update( $slug ) );
		}

		/**
		 * Retrieve the version number of an installed plugin.
		 *
		 * @since 2.5.0
		 *
		 * @param string $slug Plugin slug.
		 * @return string Version number as string or an empty string if the plugin is not installed
		 *                or version unknown (plugins which don't comply with the plugin header standard).
		 */
		public function get_installed_version( $slug ) {
			$installed_plugins = $this->get_plugins(); // Retrieve a list of all installed plugins (WP cached).

			if ( ! empty( $installed_plugins[ $this->plugins[ $slug ]['file_path'] ]['Version'] ) ) {
				return $installed_plugins[ $this->plugins[ $slug ]['file_path'] ]['Version'];
			}

			return '';
		}

		/**
		 * Check whether a plugin complies with the minimum version requirements.
		 *
		 * @since 2.5.0
		 *
		 * @param string $slug Plugin slug.
		 * @return bool True when a plugin needs to be updated, otherwise false.
		 */
		public function does_plugin_require_update( $slug ) {
			$installed_version = $this->get_installed_version( $slug );
			$minimum_version   = $this->plugins[ $slug ]['version'];

			return version_compare( $minimum_version, $installed_version, '>' );
		}

		/**
		 * Check whether there is an update available for a plugin.
		 *
		 * @since 2.5.0
		 *
		 * @param string $slug Plugin slug.
		 * @return false|string Version number string of the available update or false if no update available.
		 */
		public function does_plugin_have_update( $slug ) {
			// Presume bundled and external plugins will point to a package which meets the minimum required version.
			if ( 'repo' !== $this->plugins[ $slug ]['source_type'] ) {
				if ( $this->does_plugin_require_update( $slug ) ) {
					return $this->plugins[ $slug ]['version'];
				}

				return false;
			}

			$repo_updates = get_site_transient( 'update_plugins' );

			if ( isset( $repo_updates->response[ $this->plugins[ $slug ]['file_path'] ]->new_version ) ) {
				return $repo_updates->response[ $this->plugins[ $slug ]['file_path'] ]->new_version;
			}

			return false;
		}

		/**
		 * Retrieve potential upgrade notice for a plugin.
		 *
		 * @since 2.5.0
		 *
		 * @param string $slug Plugin slug.
		 * @return string The upgrade notice or an empty string if no message was available or provided.
		 */
		public function get_upgrade_notice( $slug ) {
			// We currently can't get reliable info on non-WP-repo plugins - issue #380.
			if ( 'repo' !== $this->plugins[ $slug ]['source_type'] ) {
				return '';
			}

			$repo_updates = get_site_transient( 'update_plugins' );

			if ( ! empty( $repo_updates->response[ $this->plugins[ $slug ]['file_path'] ]->upgrade_notice ) ) {
				return $repo_updates->response[ $this->plugins[ $slug ]['file_path'] ]->upgrade_notice;
			}

			return '';
		}

		/**
		 * Wrapper around the core WP get_plugins function, making sure it's actually available.
		 *
		 * @since 2.5.0
		 *
		 * @param string $plugin_folder Optional. Relative path to single plugin folder.
		 * @return array Array of installed plugins with plugin information.
		 */
		public function get_plugins( $plugin_folder = '' ) {
			if ( ! function_exists( 'get_plugins' ) ) {
				require_once ABSPATH . 'wp-admin/includes/plugin.php';
			}

			return get_plugins( $plugin_folder );
		}

		/**
		 * Delete dismissable nag option when theme is switched.
		 *
		 * This ensures that the user(s) is/are again reminded via nag of required
		 * and/or recommended plugins if they re-activate the theme.
		 *
		 * @since 2.1.1
		 */
		public function update_dismiss() {
			delete_metadata( 'user', null, 'tgmpa_dismissed_notice_' . $this->id, null, true );
		}

		/**
		 * Forces plugin activation if the parameter 'force_activation' is
		 * set to true.
		 *
		 * This allows theme authors to specify certain plugins that must be
		 * active at all times while using the current theme.
		 *
		 * Please take special care when using this parameter as it has the
		 * potential to be harmful if not used correctly. Setting this parameter
		 * to true will not allow the specified plugin to be deactivated unless
		 * the user switches themes.
		 *
		 * @since 2.2.0
		 */
		public function force_activation() {
			foreach ( $this->plugins as $slug => $plugin ) {
				if ( true === $plugin['force_activation'] ) {
					if ( ! $this->is_plugin_installed( $slug ) ) {
						// Oops, plugin isn't there so iterate to next condition.
						continue;
					} elseif ( $this->can_plugin_activate( $slug ) ) {
						// There we go, activate the plugin.
						activate_plugin( $plugin['file_path'] );
					}
				}
			}
		}

		/**
		 * Forces plugin deactivation if the parameter 'force_deactivation'
		 * is set to true and adds the plugin to the 'recently active' plugins list.
		 *
		 * This allows theme authors to specify certain plugins that must be
		 * deactivated upon switching from the current theme to another.
		 *
		 * Please take special care when using this parameter as it has the
		 * potential to be harmful if not used correctly.
		 *
		 * @since 2.2.0
		 */
		public function force_deactivation() {
			$deactivated = array();

			foreach ( $this->plugins as $slug => $plugin ) {
				/*
				 * Only proceed forward if the parameter is set to true and plugin is active
				 * as a 'normal' (not must-use) plugin.
				 */
				if ( true === $plugin['force_deactivation'] && is_plugin_active( $plugin['file_path'] ) ) {
					deactivate_plugins( $plugin['file_path'] );
					$deactivated[ $plugin['file_path'] ] = time();
				}
			}

			if ( ! empty( $deactivated ) ) {
				update_option( 'recently_activated', $deactivated + (array) get_option( 'recently_activated' ) );
			}
		}

		/**
		 * Echo the current TGMPA version number to the page.
		 *
		 * @since 2.5.0
		 */
		public function show_tgmpa_version() {
			echo '<p style="float: right; padding: 0em 1.5em 0.5em 0;"><strong><small>',
			esc_html(
				sprintf(
				/* translators: %s: version number */
					esc_html__( 'TGMPA v%s', 'pixwell' ),
					self::TGMPA_VERSION
				)
			),
			'</small></strong></p>';
		}

		/**
		 * Returns the singleton instance of the class.
		 *
		 * @since 2.4.0
		 *
		 * @return \TGM_Plugin_Activation The TGM_Plugin_Activation object.
		 */
		public static function get_instance() {
			if ( ! isset( self::$instance ) && ! ( self::$instance instanceof self ) ) {
				self::$instance = new self();
			}

			return self::$instance;
		}
	}

	if ( ! function_exists( 'load_tgm_plugin_activation' ) ) {
		/**
		 * Ensure only one instance of the class is ever invoked.
		 *
		 * @since 2.5.0
		 */
		function load_tgm_plugin_activation() {
			$GLOBALS['tgmpa'] = TGM_Plugin_Activation::get_instance();
		}
	}

	if ( did_action( 'plugins_loaded' ) ) {
		load_tgm_plugin_activation();
	} else {
		add_action( 'plugins_loaded', 'load_tgm_plugin_activation' );
	}
}

if ( ! function_exists( 'tgmpa' ) ) {
	/**
	 * Helper function to register a collection of required plugins.
	 *
	 * @since 2.0.0
	 * @api
	 *
	 * @param array $plugins An array of plugin arrays.
	 * @param array $config  Optional. An array of configuration values.
	 */
	function tgmpa( $plugins, $config = array() ) {
		$instance = call_user_func( array( get_class( $GLOBALS['tgmpa'] ), 'get_instance' ) );

		foreach ( $plugins as $plugin ) {
			call_user_func( array( $instance, 'register' ), $plugin );
		}

		if ( ! empty( $config ) && is_array( $config ) ) {
			// Send out notices for deprecated arguments passed.
			if ( isset( $config['notices'] ) ) {
				_deprecated_argument( __FUNCTION__, '2.2.0', 'The `notices` config parameter was renamed to `has_notices` in TGMPA 2.2.0. Please adjust your configuration.' );
				if ( ! isset( $config['has_notices'] ) ) {
					$config['has_notices'] = $config['notices'];
				}
			}

			if ( isset( $config['parent_menu_slug'] ) ) {
				_deprecated_argument( __FUNCTION__, '2.4.0', 'The `parent_menu_slug` config parameter was removed in TGMPA 2.4.0. In TGMPA 2.5.0 an alternative was (re-)introduced. Please adjust your configuration. For more information visit the website: http://tgmpluginactivation.com/configuration/#h-configuration-options.' );
			}
			if ( isset( $config['parent_url_slug'] ) ) {
				_deprecated_argument( __FUNCTION__, '2.4.0', 'The `parent_url_slug` config parameter was removed in TGMPA 2.4.0. In TGMPA 2.5.0 an alternative was (re-)introduced. Please adjust your configuration. For more information visit the website: http://tgmpluginactivation.com/configuration/#h-configuration-options.' );
			}

			call_user_func( array( $instance, 'config' ), $config );
		}
	}
}

/**
 * WP_List_Table isn't always available. If it isn't available,
 * we load it here.
 *
 * @since 2.2.0
 */
if ( ! class_exists( 'WP_List_Table' ) ) {
	require_once ABSPATH . 'wp-admin/includes/class-wp-list-table.php';
}

if ( ! class_exists( 'TGMPA_List_Table' ) ) {

	/**
	 * List table class for handling plugins.
	 *
	 * Extends the WP_List_Table class to provide a future-compatible
	 * way of listing out all required/recommended plugins.
	 *
	 * Gives users an interface similar to the Plugin Administration
	 * area with similar (albeit stripped down) capabilities.
	 *
	 * This class also allows for the bulk install of plugins.
	 *
	 * @since 2.2.0
	 *
	 * @package TGM-Plugin-Activation
	 * @author  Thomas Griffin
	 * @author  Gary Jones
	 */
	class TGMPA_List_Table extends WP_List_Table {
		/**
		 * TGMPA instance.
		 *
		 * @since 2.5.0
		 *
		 * @var object
		 */
		protected $tgmpa;

		/**
		 * The currently chosen view.
		 *
		 * @since 2.5.0
		 *
		 * @var string One of: 'all', 'install', 'update', 'activate'
		 */
		public $view_context = 'all';

		/**
		 * The plugin counts for the various views.
		 *
		 * @since 2.5.0
		 *
		 * @var array
		 */
		protected $view_totals = array(
			'all'      => 0,
			'install'  => 0,
			'update'   => 0,
			'activate' => 0,
		);

		/**
		 * References parent constructor and sets defaults for class.
		 *
		 * @since 2.2.0
		 */
		public function __construct() {
			$this->tgmpa = call_user_func( array( get_class( $GLOBALS['tgmpa'] ), 'get_instance' ) );

			parent::__construct(
				array(
					'singular' => 'plugin',
					'plural'   => 'plugins',
					'ajax'     => false,
				)
			);

			if ( isset( $_REQUEST['plugin_status'] ) && in_array( $_REQUEST['plugin_status'], array( 'install', 'update', 'activate' ), true ) ) {
				$this->view_context = sanitize_key( $_REQUEST['plugin_status'] );
			}

			add_filter( 'tgmpa_table_data_items', array( $this, 'sort_table_items' ) );
		}

		/**
		 * Get a list of CSS classes for the <table> tag.
		 *
		 * Overruled to prevent the 'plural' argument from being added.
		 *
		 * @since 2.5.0
		 *
		 * @return array CSS classnames.
		 */
		public function get_table_classes() {
			return array( 'widefat', 'fixed' );
		}

		/**
		 * Gathers and renames all of our plugin information to be used by WP_List_Table to create our table.
		 *
		 * @since 2.2.0
		 *
		 * @return array $table_data Information for use in table.
		 */
		protected function _gather_plugin_data() {
			// Load thickbox for plugin links.
			$this->tgmpa->admin_init();
			$this->tgmpa->thickbox();

			// Categorize the plugins which have open actions.
			$plugins = $this->categorize_plugins_to_views();

			// Set the counts for the view links.
			$this->set_view_totals( $plugins );

			// Prep variables for use and grab list of all installed plugins.
			$table_data = array();
			$i          = 0;

			// Redirect to the 'all' view if no plugins were found for the selected view context.
			if ( empty( $plugins[ $this->view_context ] ) ) {
				$this->view_context = 'all';
			}

			foreach ( $plugins[ $this->view_context ] as $slug => $plugin ) {
				$table_data[ $i ]['sanitized_plugin']  = $plugin['name'];
				$table_data[ $i ]['slug']              = $slug;
				$table_data[ $i ]['plugin']            = '<strong>' . $this->tgmpa->get_info_link( $slug ) . '</strong>';
				$table_data[ $i ]['source']            = $this->get_plugin_source_type_text( $plugin['source_type'] );
				$table_data[ $i ]['type']              = $this->get_plugin_advise_type_text( $plugin['required'] );
				$table_data[ $i ]['status']            = $this->get_plugin_status_text( $slug );
				$table_data[ $i ]['installed_version'] = $this->tgmpa->get_installed_version( $slug );
				$table_data[ $i ]['minimum_version']   = $plugin['version'];
				$table_data[ $i ]['available_version'] = $this->tgmpa->does_plugin_have_update( $slug );
				$table_data[ $i ] = apply_filters( 'tgmpa_table_data_item', $table_data[ $i ], $plugin );

				$i++;
			}

			return $table_data;
		}

		/**
		 * Categorize the plugins which have open actions into views for the TGMPA page.
		 *
		 * @since 2.5.0
		 */
		protected function categorize_plugins_to_views() {
			$plugins = array(
				'all'      => array(), // Meaning: all plugins which still have open actions.
				'install'  => array(),
				'update'   => array(),
				'activate' => array(),
			);

			foreach ( $this->tgmpa->plugins as $slug => $plugin ) {
				if ( $this->tgmpa->is_plugin_active( $slug ) && false === $this->tgmpa->does_plugin_have_update( $slug ) ) {
					// No need to display plugins if they are installed, up-to-date and active.
					continue;
				} else {
					$plugins['all'][ $slug ] = $plugin;

					if ( ! $this->tgmpa->is_plugin_installed( $slug ) ) {
						$plugins['install'][ $slug ] = $plugin;
					} else {
						if ( false !== $this->tgmpa->does_plugin_have_update( $slug ) ) {
							$plugins['update'][ $slug ] = $plugin;
						}

						if ( $this->tgmpa->can_plugin_activate( $slug ) ) {
							$plugins['activate'][ $slug ] = $plugin;
						}
					}
				}
			}

			return $plugins;
		}

		/**
		 * Set the counts for the view links.
		 *
		 * @since 2.5.0
		 *
		 * @param array $plugins Plugins order by view.
		 */
		protected function set_view_totals( $plugins ) {
			foreach ( $plugins as $type => $list ) {
				$this->view_totals[ $type ] = count( $list );
			}
		}

		/**
		 * Get the plugin required/recommended text string.
		 *
		 * @since 2.5.0
		 *
		 * @param string $required Plugin required setting.
		 * @return string
		 */
		protected function get_plugin_advise_type_text( $required ) {
			if ( true === $required ) {
				return esc_html__( 'Required', 'pixwell' );
			}

			return esc_html__( 'Recommended', 'pixwell' );
		}

		/**
		 * Get the plugin source type text string.
		 *
		 * @since 2.5.0
		 *
		 * @param string $type Plugin type.
		 * @return string
		 */
		protected function get_plugin_source_type_text( $type ) {
			$string = '';

			switch ( $type ) {
				case 'repo':
					$string = esc_html__( 'WordPress Repository', 'pixwell' );
					break;
				case 'external':
					$string = esc_html__( 'External Source', 'pixwell' );
					break;
				case 'bundled':
					$string = esc_html__( 'Pre-Packaged', 'pixwell' );
					break;
			}

			return $string;
		}

		/**
		 * Determine the plugin status message.
		 *
		 * @since 2.5.0
		 *
		 * @param string $slug Plugin slug.
		 * @return string
		 */
		protected function get_plugin_status_text( $slug ) {
			if ( ! $this->tgmpa->is_plugin_installed( $slug ) ) {
				return esc_html__( 'Not Installed', 'pixwell' );
			}

			if ( ! $this->tgmpa->is_plugin_active( $slug ) ) {
				$install_status = esc_html__( 'Installed But Not Activated', 'pixwell' );
			} else {
				$install_status = esc_html__( 'Active', 'pixwell' );
			}

			$update_status = '';

			if ( $this->tgmpa->does_plugin_require_update( $slug ) && false === $this->tgmpa->does_plugin_have_update( $slug ) ) {
				$update_status = esc_html__( 'Required Update not Available', 'pixwell' );

			} elseif ( $this->tgmpa->does_plugin_require_update( $slug ) ) {
				$update_status = esc_html__( 'Requires Update', 'pixwell' );

			} elseif ( false !== $this->tgmpa->does_plugin_have_update( $slug ) ) {
				$update_status = esc_html__( 'Update recommended', 'pixwell' );
			}

			if ( '' === $update_status ) {
				return $install_status;
			}

			return sprintf(
			/* translators: 1: install status, 2: update status */
				_x( '%1$s, %2$s', 'Install/Update Status', 'pixwell' ),
				$install_status,
				$update_status
			);
		}

		/**
		 * Sort plugins by Required/Recommended type and by alphabetical plugin name within each type.
		 *
		 * @since 2.5.0
		 *
		 * @param array $items Prepared table items.
		 * @return array Sorted table items.
		 */
		public function sort_table_items( $items ) {
			$type = array();
			$name = array();

			foreach ( $items as $i => $plugin ) {
				$type[ $i ] = $plugin['type']; // Required / recommended.
				$name[ $i ] = $plugin['sanitized_plugin'];
			}

			array_multisort( $type, SORT_DESC, $name, SORT_ASC, $items );

			return $items;
		}

		/**
		 * Get an associative array ( id => link ) of the views available on this table.
		 *
		 * @since 2.5.0
		 *
		 * @return array
		 */
		public function get_views() {
			$status_links = array();

			foreach ( $this->view_totals as $type => $count ) {
				if ( $count < 1 ) {
					continue;
				}

				switch ( $type ) {
					case 'all':
						/* translators: 1: number of plugins. */
						$text = _nx( 'All <span class="count">(%s)</span>', 'All <span class="count">(%s)</span>', $count, 'plugins', 'pixwell' );
						break;
					case 'install':
						/* translators: 1: number of plugins. */
						$text = _n( 'To Install <span class="count">(%s)</span>', 'To Install <span class="count">(%s)</span>', $count, 'pixwell' );
						break;
					case 'update':
						/* translators: 1: number of plugins. */
						$text = _n( 'Update Available <span class="count">(%s)</span>', 'Update Available <span class="count">(%s)</span>', $count, 'pixwell' );
						break;
					case 'activate':
						/* translators: 1: number of plugins. */
						$text = _n( 'To Activate <span class="count">(%s)</span>', 'To Activate <span class="count">(%s)</span>', $count, 'pixwell' );
						break;
					default:
						$text = '';
						break;
				}

				if ( ! empty( $text ) ) {

					$status_links[ $type ] = sprintf(
						'<a href="%s"%s>%s</a>',
						esc_url( $this->tgmpa->get_tgmpa_status_url( $type ) ),
						( $type === $this->view_context ) ? ' class="current"' : '',
						sprintf( $text, number_format_i18n( $count ) )
					);
				}
			}

			return $status_links;
		}

		/**
		 * Create default columns to display important plugin information
		 * like type, action and status.
		 *
		 * @since 2.2.0
		 *
		 * @param array  $item        Array of item data.
		 * @param string $column_name The name of the column.
		 * @return string
		 */
		public function column_default( $item, $column_name ) {
			return $item[ $column_name ];
		}

		/**
		 * Required for bulk installing.
		 *
		 * Adds a checkbox for each plugin.
		 *
		 * @since 2.2.0
		 *
		 * @param array $item Array of item data.
		 * @return string The input checkbox with all necessary info.
		 */
		public function column_cb( $item ) {
			return sprintf(
				'<input type="checkbox" name="%1$s[]" value="%2$s" id="%3$s" />',
				esc_attr( $this->_args['singular'] ),
				esc_attr( $item['slug'] ),
				esc_attr( $item['sanitized_plugin'] )
			);
		}

		/**
		 * Create default title column along with the action links.
		 *
		 * @since 2.2.0
		 *
		 * @param array $item Array of item data.
		 * @return string The plugin name and action links.
		 */
		public function column_plugin( $item ) {
			return sprintf(
				'%1$s %2$s',
				$item['plugin'],
				$this->row_actions( $this->get_row_actions( $item ), true )
			);
		}

		/**
		 * Create version information column.
		 *
		 * @since 2.5.0
		 *
		 * @param array $item Array of item data.
		 * @return string HTML-formatted version information.
		 */
		public function column_version( $item ) {
			$output = array();

			if ( $this->tgmpa->is_plugin_installed( $item['slug'] ) ) {
				$installed = ! empty( $item['installed_version'] ) ? $item['installed_version'] : _x( 'unknown', 'as in: "version nr unknown"', 'pixwell' );

				$color = '';
				if ( ! empty( $item['minimum_version'] ) && $this->tgmpa->does_plugin_require_update( $item['slug'] ) ) {
					$color = ' color: #ff0000; font-weight: bold;';
				}

				$output[] = sprintf(
					'<p><span style="min-width: 32px; text-align: right; float: right;%1$s">%2$s</span>' . esc_html__( 'Installed version:', 'pixwell' ) . '</p>',
					$color,
					$installed
				);
			}

			if ( ! empty( $item['minimum_version'] ) ) {
				$output[] = sprintf(
					'<p><span style="min-width: 32px; text-align: right; float: right;">%1$s</span>' . esc_html__( 'Minimum required version:', 'pixwell' ) . '</p>',
					$item['minimum_version']
				);
			}

			if ( ! empty( $item['available_version'] ) ) {
				$color = '';
				if ( ! empty( $item['minimum_version'] ) && version_compare( $item['available_version'], $item['minimum_version'], '>=' ) ) {
					$color = ' color: #71C671; font-weight: bold;';
				}

				$output[] = sprintf(
					'<p><span style="min-width: 32px; text-align: right; float: right;%1$s">%2$s</span>' . esc_html__( 'Available version:', 'pixwell' ) . '</p>',
					$color,
					$item['available_version']
				);
			}

			if ( empty( $output ) ) {
				return '&nbsp;'; // Let's not break the table layout.
			} else {
				return implode( "\n", $output );
			}
		}

		/**
		 * Sets default message within the plugins table if no plugins
		 * are left for interaction.
		 *
		 * Hides the menu item to prevent the user from clicking and
		 * getting a permissions error.
		 *
		 * @since 2.2.0
		 */
		public function no_items() {
			echo esc_html__( 'No plugins to install, update or activate.', 'pixwell' ) . ' <a href="' . esc_url( self_admin_url() ) . '"> ' . esc_html__( 'Return to the Dashboard', 'pixwell' ) . '</a>';
			echo '<style type="text/css">#adminmenu .wp-submenu li.current { display: none !important; }</style>';
		}

		/**
		 * Output all the column information within the table.
		 *
		 * @since 2.2.0
		 *
		 * @return array $columns The column names.
		 */
		public function get_columns() {
			$columns = array(
				'cb'     => '<input type="checkbox" />',
				'plugin' => esc_html__( 'Plugin', 'pixwell' ),
				'source' => esc_html__( 'Source', 'pixwell' ),
				'type'   => esc_html__( 'Type', 'pixwell' ),
			);

			if ( 'all' === $this->view_context || 'update' === $this->view_context ) {
				$columns['version'] = esc_html__( 'Version', 'pixwell' );
				$columns['status']  = esc_html__( 'Status', 'pixwell' );
			}

			return apply_filters( 'tgmpa_table_columns', $columns );
		}

		/**
		 * Get name of default primary column
		 *
		 * @since 2.5.0 / WP 4.3+ compatibility
		 * @access protected
		 *
		 * @return string
		 */
		protected function get_default_primary_column_name() {
			return 'plugin';
		}

		/**
		 * Get the name of the primary column.
		 *
		 * @since 2.5.0 / WP 4.3+ compatibility
		 * @access protected
		 *
		 * @return string The name of the primary column.
		 */
		protected function get_primary_column_name() {
			if ( method_exists( 'WP_List_Table', 'get_primary_column_name' ) ) {
				return parent::get_primary_column_name();
			} else {
				return $this->get_default_primary_column_name();
			}
		}

		/**
		 * Get the actions which are relevant for a specific plugin row.
		 *
		 * @since 2.5.0
		 *
		 * @param array $item Array of item data.
		 * @return array Array with relevant action links.
		 */
		protected function get_row_actions( $item ) {
			$actions      = array();
			$action_links = array();

			// Display the 'Install' action link if the plugin is not yet available.
			if ( ! $this->tgmpa->is_plugin_installed( $item['slug'] ) ) {
				/* translators: %2$s: plugin name in screen reader markup */
				$actions['install'] = esc_html__( 'Install %2$s', 'pixwell' );
			} else {
				// Display the 'Update' action link if an update is available and WP complies with plugin minimum.
				if ( false !== $this->tgmpa->does_plugin_have_update( $item['slug'] ) && $this->tgmpa->can_plugin_update( $item['slug'] ) ) {
					/* translators: %2$s: plugin name in screen reader markup */
					$actions['update'] = esc_html__( 'Update %2$s', 'pixwell' );
				}

				// Display the 'Activate' action link, but only if the plugin meets the minimum version.
				if ( $this->tgmpa->can_plugin_activate( $item['slug'] ) ) {
					/* translators: %2$s: plugin name in screen reader markup */
					$actions['activate'] = esc_html__( 'Activate %2$s', 'pixwell' );
				}
			}

			// Create the actual links.
			foreach ( $actions as $action => $text ) {
				$nonce_url = wp_nonce_url(
					add_query_arg(
						array(
							'plugin'           => urlencode( $item['slug'] ),
							'tgmpa-' . $action => $action . '-plugin',
						),
						$this->tgmpa->get_tgmpa_url()
					),
					'tgmpa-' . $action,
					'tgmpa-nonce'
				);

				$action_links[ $action ] = sprintf(
					'<a href="%1$s">' . esc_html( $text ) . '</a>', // $text contains the second placeholder.
					esc_url( $nonce_url ),
					'<span class="screen-reader-text">' . esc_html( $item['sanitized_plugin'] ) . '</span>'
				);
			}

			$prefix = ( defined( 'WP_NETWORK_ADMIN' ) && WP_NETWORK_ADMIN ) ? 'network_admin_' : '';
			return apply_filters( "tgmpa_{$prefix}plugin_action_links", array_filter( $action_links ), $item['slug'], $item, $this->view_context );
		}

		/**
		 * Generates content for a single row of the table.
		 *
		 * @since 2.5.0
		 *
		 * @param object $item The current item.
		 */
		public function single_row( $item ) {
			parent::single_row( $item );

			/**
			 * Fires after each specific row in the TGMPA Plugins list table.
			 *
			 * The dynamic portion of the hook name, `$item['slug']`, refers to the slug
			 * for the plugin.
			 *
			 * @since 2.5.0
			 */
			do_action( "tgmpa_after_plugin_row_{$item['slug']}", $item['slug'], $item, $this->view_context );
		}

		/**
		 * Show the upgrade notice below a plugin row if there is one.
		 *
		 * @since 2.5.0
		 *
		 * @see /wp-admin/includes/update.php
		 *
		 * @param string $slug Plugin slug.
		 * @param array  $item The information available in this table row.
		 * @return null Return early if upgrade notice is empty.
		 */
		public function wp_plugin_update_row( $slug, $item ) {

			if ( empty( $item['upgrade_notice'] ) ) {
				return;
			}

			echo '
				<tr class="plugin-update-tr">
					<td colspan="', absint( $this->get_column_count() ), '" class="plugin-update colspanchange">
						<div class="update-message">',
			esc_html__( 'Upgrade message from the plugin author:', 'pixwell' ),
			' <strong>', wp_kses_data( $item['upgrade_notice'] ), '</strong>
						</div>
					</td>
				</tr>';
		}

		/**
		 * Extra controls to be displayed between bulk actions and pagination.
		 *
		 * @since 2.5.0
		 *
		 * @param string $which 'top' or 'bottom' table navigation.
		 */
		public function extra_tablenav( $which ) {
			if ( 'bottom' === $which ) {
				$this->tgmpa->show_tgmpa_version();
			}
		}

		/**
		 * Defines the bulk actions for handling registered plugins.
		 *
		 * @since 2.2.0
		 *
		 * @return array $actions The bulk actions for the plugin install table.
		 */
		public function get_bulk_actions() {

			$actions = array();

			if ( 'update' !== $this->view_context && 'activate' !== $this->view_context ) {
				if ( current_user_can( 'install_plugins' ) ) {
					$actions['tgmpa-bulk-install'] = esc_html__( 'Install', 'pixwell' );
				}
			}

			if ( 'install' !== $this->view_context ) {
				if ( current_user_can( 'update_plugins' ) ) {
					$actions['tgmpa-bulk-update'] = esc_html__( 'Update', 'pixwell' );
				}
				if ( current_user_can( 'activate_plugins' ) ) {
					$actions['tgmpa-bulk-activate'] = esc_html__( 'Activate', 'pixwell' );
				}
			}

			return $actions;
		}

		/**
		 * Processes bulk installation and activation actions.
		 *
		 * The bulk installation process looks for the $_POST information and passes that
		 * through if a user has to use WP_Filesystem to enter their credentials.
		 *
		 * @since 2.2.0
		 */
		public function process_bulk_actions() {
			// Bulk installation process.
			if ( 'tgmpa-bulk-install' === $this->current_action() || 'tgmpa-bulk-update' === $this->current_action() ) {

				check_admin_referer( 'bulk-' . $this->_args['plural'] );

				$install_type = 'install';
				if ( 'tgmpa-bulk-update' === $this->current_action() ) {
					$install_type = 'update';
				}

				$plugins_to_install = array();

				// Did user actually select any plugins to install/update ?
				if ( empty( $_POST['plugin'] ) ) {
					if ( 'install' === $install_type ) {
						$message = esc_html__( 'No plugins were selected to be installed. No action taken.', 'pixwell' );
					} else {
						$message = esc_html__( 'No plugins were selected to be updated. No action taken.', 'pixwell' );
					}

					echo '<div id="message" class="error"><p>', esc_html( $message ), '</p></div>';

					return false;
				}

				if ( is_array( $_POST['plugin'] ) ) {
					$plugins_to_install = (array) $_POST['plugin'];
				} elseif ( is_string( $_POST['plugin'] ) ) {
					// Received via Filesystem page - un-flatten array (WP bug #19643).
					$plugins_to_install = explode( ',', $_POST['plugin'] );
				}

				// Sanitize the received input.
				$plugins_to_install = array_map( 'urldecode', $plugins_to_install );
				$plugins_to_install = array_map( array( $this->tgmpa, 'sanitize_key' ), $plugins_to_install );

				// Validate the received input.
				foreach ( $plugins_to_install as $key => $slug ) {
					// Check if the plugin was registered with TGMPA and remove if not.
					if ( ! isset( $this->tgmpa->plugins[ $slug ] ) ) {
						unset( $plugins_to_install[ $key ] );
						continue;
					}

					// For install: make sure this is a plugin we *can* install and not one already installed.
					if ( 'install' === $install_type && true === $this->tgmpa->is_plugin_installed( $slug ) ) {
						unset( $plugins_to_install[ $key ] );
					}

					// For updates: make sure this is a plugin we *can* update (update available and WP version ok).
					if ( 'update' === $install_type && false === $this->tgmpa->is_plugin_updatetable( $slug ) ) {
						unset( $plugins_to_install[ $key ] );
					}
				}

				// No need to proceed further if we have no plugins to handle.
				if ( empty( $plugins_to_install ) ) {
					if ( 'install' === $install_type ) {
						$message = esc_html__( 'No plugins are available to be installed at this time.', 'pixwell' );
					} else {
						$message = esc_html__( 'No plugins are available to be updated at this time.', 'pixwell' );
					}

					echo '<div id="message" class="error"><p>', esc_html( $message ), '</p></div>';

					return false;
				}

				// Pass all necessary information if WP_Filesystem is needed.
				$url = wp_nonce_url(
					$this->tgmpa->get_tgmpa_url(),
					'bulk-' . $this->_args['plural']
				);

				// Give validated data back to $_POST which is the only place the filesystem looks for extra fields.
				$_POST['plugin'] = implode( ',', $plugins_to_install ); // Work around for WP bug #19643.

				$method = ''; // Leave blank so WP_Filesystem can populate it as necessary.
				$fields = array_keys( $_POST ); // Extra fields to pass to WP_Filesystem.

				if ( false === ( $creds = request_filesystem_credentials( esc_url_raw( $url ), $method, false, false, $fields ) ) ) {
					return true; // Stop the normal page form from displaying, credential request form will be shown.
				}

				// Now we have some credentials, setup WP_Filesystem.
				if ( ! WP_Filesystem( $creds ) ) {
					// Our credentials were no good, ask the user for them again.
					request_filesystem_credentials( esc_url_raw( $url ), $method, true, false, $fields );

					return true;
				}

				/* If we arrive here, we have the filesystem */

				// Store all information in arrays since we are processing a bulk installation.
				$names      = array();
				$sources    = array(); // Needed for installs.
				$file_paths = array(); // Needed for upgrades.
				$to_inject  = array(); // Information to inject into the update_plugins transient.

				// Prepare the data for validated plugins for the install/upgrade.
				foreach ( $plugins_to_install as $slug ) {
					$name   = $this->tgmpa->plugins[ $slug ]['name'];
					$source = $this->tgmpa->get_download_url( $slug );

					if ( ! empty( $name ) && ! empty( $source ) ) {
						$names[] = $name;

						switch ( $install_type ) {

							case 'install':
								$sources[] = $source;
								break;

							case 'update':
								$file_paths[]                 = $this->tgmpa->plugins[ $slug ]['file_path'];
								$to_inject[ $slug ]           = $this->tgmpa->plugins[ $slug ];
								$to_inject[ $slug ]['source'] = $source;
								break;
						}
					}
				}
				unset( $slug, $name, $source );

				// Create a new instance of TGMPA_Bulk_Installer.
				$installer = new TGMPA_Bulk_Installer(
					new TGMPA_Bulk_Installer_Skin(
						array(
							'url'          => esc_url_raw( $this->tgmpa->get_tgmpa_url() ),
							'nonce'        => 'bulk-' . $this->_args['plural'],
							'names'        => $names,
							'install_type' => $install_type,
						)
					)
				);

				// Wrap the install process with the appropriate HTML.
				echo '<div class="tgmpa">',
				'<h2 style="font-size: 23px; font-weight: 400; line-height: 29px; margin: 0; padding: 9px 15px 4px 0;">', esc_html( get_admin_page_title() ), '</h2>
					<div class="update-php" style="width: 100%; height: 98%; min-height: 850px; padding-top: 1px;">';

				// Process the bulk installation submissions.
				add_filter( 'upgrader_source_selection', array( $this->tgmpa, 'maybe_adjust_source_dir' ), 1, 3 );

				if ( 'tgmpa-bulk-update' === $this->current_action() ) {
					// Inject our info into the update transient.
					$this->tgmpa->inject_update_info( $to_inject );

					$installer->bulk_upgrade( $file_paths );
				} else {
					$installer->bulk_install( $sources );
				}

				remove_filter( 'upgrader_source_selection', array( $this->tgmpa, 'maybe_adjust_source_dir' ), 1 );

				echo '</div></div>';

				return true;
			}

			// Bulk activation process.
			if ( 'tgmpa-bulk-activate' === $this->current_action() ) {
				check_admin_referer( 'bulk-' . $this->_args['plural'] );

				// Did user actually select any plugins to activate ?
				if ( empty( $_POST['plugin'] ) ) {
					echo '<div id="message" class="error"><p>', esc_html__( 'No plugins were selected to be activated. No action taken.', 'pixwell' ), '</p></div>';

					return false;
				}

				// Grab plugin data from $_POST.
				$plugins = array();
				if ( isset( $_POST['plugin'] ) ) {
					$plugins = array_map( 'urldecode', (array) $_POST['plugin'] );
					$plugins = array_map( array( $this->tgmpa, 'sanitize_key' ), $plugins );
				}

				$plugins_to_activate = array();
				$plugin_names        = array();

				// Grab the file paths for the selected & inactive plugins from the registration array.
				foreach ( $plugins as $slug ) {
					if ( $this->tgmpa->can_plugin_activate( $slug ) ) {
						$plugins_to_activate[] = $this->tgmpa->plugins[ $slug ]['file_path'];
						$plugin_names[]        = $this->tgmpa->plugins[ $slug ]['name'];
					}
				}
				unset( $slug );

				// Return early if there are no plugins to activate.
				if ( empty( $plugins_to_activate ) ) {
					echo '<div id="message" class="error"><p>', esc_html__( 'No plugins are available to be activated at this time.', 'pixwell' ), '</p></div>';

					return false;
				}

				// Now we are good to go - let's start activating plugins.
				$activate = activate_plugins( $plugins_to_activate );

				if ( is_wp_error( $activate ) ) {
					echo '<div id="message" class="error"><p>', wp_kses_post( $activate->get_error_message() ), '</p></div>';
				} else {
					$count        = count( $plugin_names ); // Count so we can use _n function.
					$plugin_names = array_map( array( 'TGMPA_Utils', 'wrap_in_strong' ), $plugin_names );
					$last_plugin  = array_pop( $plugin_names ); // Pop off last name to prep for readability.
					$imploded     = empty( $plugin_names ) ? $last_plugin : ( implode( ', ', $plugin_names ) . ' ' . esc_html_x( 'and', 'plugin A *and* plugin B', 'pixwell' ) . ' ' . $last_plugin );

					printf( // WPCS: xss ok.
						'<div id="message" class="updated"><p>%1$s %2$s.</p></div>',
						esc_html( _n( 'The following plugin was activated successfully:', 'The following plugins were activated successfully:', $count, 'pixwell' ) ),
						$imploded
					);

					// Update recently activated plugins option.
					$recent = (array) get_option( 'recently_activated' );
					foreach ( $plugins_to_activate as $plugin => $time ) {
						if ( isset( $recent[ $plugin ] ) ) {
							unset( $recent[ $plugin ] );
						}
					}
					update_option( 'recently_activated', $recent );
				}

				unset( $_POST ); // Reset the $_POST variable in case user wants to perform one action after another.

				return true;
			}

			return false;
		}

		/**
		 * Prepares all of our information to be outputted into a usable table.
		 *
		 * @since 2.2.0
		 */
		public function prepare_items() {
			$columns               = $this->get_columns(); // Get all necessary column information.
			$hidden                = array(); // No columns to hide, but we must set as an array.
			$sortable              = array(); // No reason to make sortable columns.
			$primary               = $this->get_primary_column_name(); // Column which has the row actions.
			$this->_column_headers = array( $columns, $hidden, $sortable, $primary ); // Get all necessary column headers.

			// Process our bulk activations here.
			if ( 'tgmpa-bulk-activate' === $this->current_action() ) {
				$this->process_bulk_actions();
			}

			// Store all of our plugin data into $items array so WP_List_Table can use it.
			$this->items = apply_filters( 'tgmpa_table_data_items', $this->_gather_plugin_data() );
		}

		/* *********** DEPRECATED METHODS *********** */

		/**
		 * Retrieve plugin data, given the plugin name.
		 *
		 * @since      2.2.0
		 * @deprecated 2.5.0 use {@see TGM_Plugin_Activation::_get_plugin_data_from_name()} instead.
		 * @see        TGM_Plugin_Activation::_get_plugin_data_from_name()
		 *
		 * @param string $name Name of the plugin, as it was registered.
		 * @param string $data Optional. Array key of plugin data to return. Default is slug.
		 * @return string|boolean Plugin slug if found, false otherwise.
		 */
		protected function _get_plugin_data_from_name( $name, $data = 'slug' ) {
			_deprecated_function( __FUNCTION__, 'TGMPA 2.5.0', 'TGM_Plugin_Activation::_get_plugin_data_from_name()' );

			return $this->tgmpa->_get_plugin_data_from_name( $name, $data );
		}
	}
}


if ( ! class_exists( 'TGM_Bulk_Installer' ) ) {

	/**
	 * Hack: Prevent TGMPA v2.4.1- bulk installer class from being loaded if 2.4.1- is loaded after 2.5+.
	 *
	 * @since 2.5.2
	 *
	 * {@internal The TGMPA_Bulk_Installer class was originally called TGM_Bulk_Installer.
	 *            For more information, see that class.}}
	 */
	class TGM_Bulk_Installer {
	}
}
if ( ! class_exists( 'TGM_Bulk_Installer_Skin' ) ) {

	/**
	 * Hack: Prevent TGMPA v2.4.1- bulk installer skin class from being loaded if 2.4.1- is loaded after 2.5+.
	 *
	 * @since 2.5.2
	 *
	 * {@internal The TGMPA_Bulk_Installer_Skin class was originally called TGM_Bulk_Installer_Skin.
	 *            For more information, see that class.}}
	 */
	class TGM_Bulk_Installer_Skin {
	}
}

/**
 * The WP_Upgrader file isn't always available. If it isn't available,
 * we load it here.
 *
 * We check to make sure no action or activation keys are set so that WordPress
 * does not try to re-include the class when processing upgrades or installs outside
 * of the class.
 *
 * @since 2.2.0
 */
add_action( 'admin_init', 'tgmpa_load_bulk_installer' );
if ( ! function_exists( 'tgmpa_load_bulk_installer' ) ) {
	/**
	 * Load bulk installer
	 */
	function tgmpa_load_bulk_installer() {
		// Silently fail if 2.5+ is loaded *after* an older version.
		if ( ! isset( $GLOBALS['tgmpa'] ) ) {
			return;
		}

		// Get TGMPA class instance.
		$tgmpa_instance = call_user_func( array( get_class( $GLOBALS['tgmpa'] ), 'get_instance' ) );

		if ( isset( $_GET['page'] ) && $tgmpa_instance->menu === $_GET['page'] ) {
			if ( ! class_exists( 'Plugin_Upgrader', false ) ) {
				require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
			}

			if ( ! class_exists( 'TGMPA_Bulk_Installer' ) ) {

				/**
				 * Installer class to handle bulk plugin installations.
				 *
				 * Extends WP_Upgrader and customizes to suit the installation of multiple
				 * plugins.
				 *
				 * @since 2.2.0
				 *
				 * {@internal Since 2.5.0 the class is an extension of Plugin_Upgrader rather than WP_Upgrader.}}
				 * {@internal Since 2.5.2 the class has been renamed from TGM_Bulk_Installer to TGMPA_Bulk_Installer.
				 *            This was done to prevent backward compatibility issues with v2.3.6.}}
				 *
				 * @package TGM-Plugin-Activation
				 * @author  Thomas Griffin
				 * @author  Gary Jones
				 */
				class TGMPA_Bulk_Installer extends Plugin_Upgrader {
					/**
					 * Holds result of bulk plugin installation.
					 *
					 * @since 2.2.0
					 *
					 * @var string
					 */
					public $result;

					/**
					 * Flag to check if bulk installation is occurring or not.
					 *
					 * @since 2.2.0
					 *
					 * @var boolean
					 */
					public $bulk = false;

					/**
					 * TGMPA instance
					 *
					 * @since 2.5.0
					 *
					 * @var object
					 */
					protected $tgmpa;

					/**
					 * Whether or not the destination directory needs to be cleared ( = on update).
					 *
					 * @since 2.5.0
					 *
					 * @var bool
					 */
					protected $clear_destination = false;

					/**
					 * References parent constructor and sets defaults for class.
					 *
					 * @since 2.2.0
					 *
					 * @param \Bulk_Upgrader_Skin|null $skin Installer skin.
					 */
					public function __construct( $skin = null ) {
						// Get TGMPA class instance.
						$this->tgmpa = call_user_func( array( get_class( $GLOBALS['tgmpa'] ), 'get_instance' ) );

						parent::__construct( $skin );

						if ( isset( $this->skin->options['install_type'] ) && 'update' === $this->skin->options['install_type'] ) {
							$this->clear_destination = true;
						}

						if ( $this->tgmpa->is_automatic ) {
							$this->activate_strings();
						}

						add_action( 'upgrader_process_complete', array( $this->tgmpa, 'populate_file_path' ) );
					}

					/**
					 * Sets the correct activation strings for the installer skin to use.
					 *
					 * @since 2.2.0
					 */
					public function activate_strings() {
						$this->strings['activation_failed']  = esc_html__( 'Plugin activation failed.', 'pixwell' );
						$this->strings['activation_success'] = esc_html__( 'Plugin activated successfully.', 'pixwell' );
					}

					/**
					 * Performs the actual installation of each plugin.
					 *
					 * @since 2.2.0
					 *
					 * @see WP_Upgrader::run()
					 *
					 * @param array $options The installation config options.
					 * @return null|array Return early if error, array of installation data on success.
					 */
					public function run( $options ) {
						$result = parent::run( $options );

						// Reset the strings in case we changed one during automatic activation.
						if ( $this->tgmpa->is_automatic ) {
							if ( 'update' === $this->skin->options['install_type'] ) {
								$this->upgrade_strings();
							} else {
								$this->install_strings();
							}
						}

						return $result;
					}

					/**
					 * Processes the bulk installation of plugins.
					 *
					 * @since 2.2.0
					 *
					 * {@internal This is basically a near identical copy of the WP Core
					 * Plugin_Upgrader::bulk_upgrade() method, with minor adjustments to deal with
					 * new installs instead of upgrades.
					 * For ease of future synchronizations, the adjustments are clearly commented, but no other
					 * comments are added. Code style has been made to comply.}}
					 *
					 * @see Plugin_Upgrader::bulk_upgrade()
					 * @see https://core.trac.wordpress.org/browser/tags/4.2.1/src/wp-admin/includes/class-wp-upgrader.php#L838
					 * (@internal Last synced: Dec 31st 2015 against https://core.trac.wordpress.org/browser/trunk?rev=36134}}
					 *
					 * @param array $plugins The plugin sources needed for installation.
					 * @param array $args    Arbitrary passed extra arguments.
					 * @return array|false   Install confirmation messages on success, false on failure.
					 */
					public function bulk_install( $plugins, $args = array() ) {
						// [TGMPA + ] Hook auto-activation in.
						add_filter( 'upgrader_post_install', array( $this, 'auto_activate' ), 10 );

						$defaults    = array(
							'clear_update_cache' => true,
						);
						$parsed_args = wp_parse_args( $args, $defaults );

						$this->init();
						$this->bulk = true;

						$this->install_strings(); // [TGMPA + ] adjusted.

						/* [TGMPA - ] $current = get_site_transient( 'update_plugins' ); */

						/* [TGMPA - ] add_filter('upgrader_clear_destination', array($this, 'delete_old_plugin'), 10, 4); */

						$this->skin->header();

						// Connect to the Filesystem first.
						$res = $this->fs_connect( array( WP_CONTENT_DIR, WP_PLUGIN_DIR ) );
						if ( ! $res ) {
							$this->skin->footer();
							return false;
						}

						$this->skin->bulk_header();

						/*
						 * Only start maintenance mode if:
						 * - running Multisite and there are one or more plugins specified, OR
						 * - a plugin with an update available is currently active.
						 * @TODO: For multisite, maintenance mode should only kick in for individual sites if at all possible.
						 */
						$maintenance = ( is_multisite() && ! empty( $plugins ) );

						/*
						[TGMPA - ]
						foreach ( $plugins as $plugin )
							$maintenance = $maintenance || ( is_plugin_active( $plugin ) && isset( $current->response[ $plugin] ) );
						*/
						if ( $maintenance ) {
							$this->maintenance_mode( true );
						}

						$results = array();

						$this->update_count   = count( $plugins );
						$this->update_current = 0;
						foreach ( $plugins as $plugin ) {
							$this->update_current++;

							/*
							[TGMPA - ]
							$this->skin->plugin_info = get_plugin_data( WP_PLUGIN_DIR . '/' . $plugin, false, true);

							if ( !isset( $current->response[ $plugin ] ) ) {
								$this->skin->set_result('up_to_date');
								$this->skin->before();
								$this->skin->feedback('up_to_date');
								$this->skin->after();
								$results[$plugin] = true;
								continue;
							}

							// Get the URL to the zip file.
							$r = $current->response[ $plugin ];

							$this->skin->plugin_active = is_plugin_active($plugin);
							*/

							$result = $this->run(
								array(
									'package'           => $plugin, // [TGMPA + ] adjusted.
									'destination'       => WP_PLUGIN_DIR,
									'clear_destination' => false, // [TGMPA + ] adjusted.
									'clear_working'     => true,
									'is_multi'          => true,
									'hook_extra'        => array(
										'plugin' => $plugin,
									),
								)
							);

							$results[ $plugin ] = $this->result;

							// Prevent credentials auth screen from displaying multiple times.
							if ( false === $result ) {
								break;
							}
						} //end foreach $plugins

						$this->maintenance_mode( false );

						/**
						 * Fires when the bulk upgrader process is complete.
						 *
						 * @since WP 3.6.0 / TGMPA 2.5.0
						 *
						 * @param Plugin_Upgrader $this Plugin_Upgrader instance. In other contexts, $this, might
						 *                              be a Theme_Upgrader or Core_Upgrade instance.
						 * @param array           $data {
						 *     Array of bulk item update data.
						 *
						 *     @type string $action   Type of action. Default 'update'.
						 *     @type string $type     Type of update process. Accepts 'plugin', 'theme', or 'core'.
						 *     @type bool   $bulk     Whether the update process is a bulk update. Default true.
						 *     @type array  $packages Array of plugin, theme, or core packages to update.
						 * }
						 */
						do_action( 'upgrader_process_complete', $this, array(
							'action'  => 'install', // [TGMPA + ] adjusted.
							'type'    => 'plugin',
							'bulk'    => true,
							'plugins' => $plugins,
						) );

						$this->skin->bulk_footer();

						$this->skin->footer();

						// Cleanup our hooks, in case something else does a upgrade on this connection.
						/* [TGMPA - ] remove_filter('upgrader_clear_destination', array($this, 'delete_old_plugin')); */

						// [TGMPA + ] Remove our auto-activation hook.
						remove_filter( 'upgrader_post_install', array( $this, 'auto_activate' ), 10 );

						// Force refresh of plugin update information.
						wp_clean_plugins_cache( $parsed_args['clear_update_cache'] );

						return $results;
					}

					/**
					 * Handle a bulk upgrade request.
					 *
					 * @since 2.5.0
					 *
					 * @see Plugin_Upgrader::bulk_upgrade()
					 *
					 * @param array $plugins The local WP file_path's of the plugins which should be upgraded.
					 * @param array $args    Arbitrary passed extra arguments.
					 * @return string|bool Install confirmation messages on success, false on failure.
					 */
					public function bulk_upgrade( $plugins, $args = array() ) {

						add_filter( 'upgrader_post_install', array( $this, 'auto_activate' ), 10 );

						$result = parent::bulk_upgrade( $plugins, $args );

						remove_filter( 'upgrader_post_install', array( $this, 'auto_activate' ), 10 );

						return $result;
					}

					/**
					 * Abuse a filter to auto-activate plugins after installation.
					 *
					 * Hooked into the 'upgrader_post_install' filter hook.
					 *
					 * @since 2.5.0
					 *
					 * @param bool $bool The value we need to give back (true).
					 * @return bool
					 */
					public function auto_activate( $bool ) {
						// Only process the activation of installed plugins if the automatic flag is set to true.
						if ( $this->tgmpa->is_automatic ) {
							// Flush plugins cache so the headers of the newly installed plugins will be read correctly.
							wp_clean_plugins_cache();

							// Get the installed plugin file.
							$plugin_info = $this->plugin_info();

							// Don't try to activate on upgrade of active plugin as WP will do this already.
							if ( ! is_plugin_active( $plugin_info ) ) {
								$activate = activate_plugin( $plugin_info );

								// Adjust the success string based on the activation result.
								$this->strings['process_success'] = $this->strings['process_success'] . "<br />\n";

								if ( is_wp_error( $activate ) ) {
									$this->skin->error( $activate );
									$this->strings['process_success'] .= $this->strings['activation_failed'];
								} else {
									$this->strings['process_success'] .= $this->strings['activation_success'];
								}
							}
						}

						return $bool;
					}
				}
			}

			if ( ! class_exists( 'TGMPA_Bulk_Installer_Skin' ) ) {

				/**
				 * Installer skin to set strings for the bulk plugin installations..
				 *
				 * Extends Bulk_Upgrader_Skin and customizes to suit the installation of multiple
				 * plugins.
				 *
				 * @since 2.2.0
				 *
				 * {@internal Since 2.5.2 the class has been renamed from TGM_Bulk_Installer_Skin to
				 *            TGMPA_Bulk_Installer_Skin.
				 *            This was done to prevent backward compatibility issues with v2.3.6.}}
				 *
				 * @see https://core.trac.wordpress.org/browser/trunk/src/wp-admin/includes/class-wp-upgrader-skins.php
				 *
				 * @package TGM-Plugin-Activation
				 * @author  Thomas Griffin
				 * @author  Gary Jones
				 */
				class TGMPA_Bulk_Installer_Skin extends Bulk_Upgrader_Skin {
					/**
					 * Holds plugin info for each individual plugin installation.
					 *
					 * @since 2.2.0
					 *
					 * @var array
					 */
					public $plugin_info = array();

					/**
					 * Holds names of plugins that are undergoing bulk installations.
					 *
					 * @since 2.2.0
					 *
					 * @var array
					 */
					public $plugin_names = array();

					/**
					 * Integer to use for iteration through each plugin installation.
					 *
					 * @since 2.2.0
					 *
					 * @var integer
					 */
					public $i = 0;

					/**
					 * TGMPA instance
					 *
					 * @since 2.5.0
					 *
					 * @var object
					 */
					protected $tgmpa;

					/**
					 * Constructor. Parses default args with new ones and extracts them for use.
					 *
					 * @since 2.2.0
					 *
					 * @param array $args Arguments to pass for use within the class.
					 */
					public function __construct( $args = array() ) {
						// Get TGMPA class instance.
						$this->tgmpa = call_user_func( array( get_class( $GLOBALS['tgmpa'] ), 'get_instance' ) );

						// Parse default and new args.
						$defaults = array(
							'url'          => '',
							'nonce'        => '',
							'names'        => array(),
							'install_type' => 'install',
						);
						$args     = wp_parse_args( $args, $defaults );

						// Set plugin names to $this->plugin_names property.
						$this->plugin_names = $args['names'];

						// Extract the new args.
						parent::__construct( $args );
					}

					/**
					 * Sets install skin strings for each individual plugin.
					 *
					 * Checks to see if the automatic activation flag is set and uses the
					 * the proper strings accordingly.
					 *
					 * @since 2.2.0
					 */
					public function add_strings() {
						if ( 'update' === $this->options['install_type'] ) {
							parent::add_strings();
							/* translators: 1: plugin name, 2: action number 3: total number of actions. */
							$this->upgrader->strings['skin_before_update_header'] = esc_html__( 'Updating Plugin %1$s (%2$d/%3$d)', 'pixwell' );
						} else {
							/* translators: 1: plugin name, 2: error message. */
							$this->upgrader->strings['skin_update_failed_error'] = esc_html__( 'An error occurred while installing %1$s: <strong>%2$s</strong>.', 'pixwell' );
							/* translators: 1: plugin name. */
							$this->upgrader->strings['skin_update_failed'] = esc_html__( 'The installation of %1$s failed.', 'pixwell' );

							if ( $this->tgmpa->is_automatic ) {
								// Automatic activation strings.
								$this->upgrader->strings['skin_upgrade_start'] = esc_html__( 'The installation and activation process is starting. This process may take a while on some hosts, so please be patient.', 'pixwell' );
								/* translators: 1: plugin name. */
								$this->upgrader->strings['skin_update_successful'] = esc_html__( '%1$s installed and activated successfully.', 'pixwell' );
								$this->upgrader->strings['skin_upgrade_end']       = esc_html__( 'All installations and activations have been completed.', 'pixwell' );
								/* translators: 1: plugin name, 2: action number 3: total number of actions. */
								$this->upgrader->strings['skin_before_update_header'] = esc_html__( 'Installing and Activating Plugin %1$s (%2$d/%3$d)', 'pixwell' );
							} else {
								// Default installation strings.
								$this->upgrader->strings['skin_upgrade_start'] = esc_html__( 'The installation process is starting. This process may take a while on some hosts, so please be patient.', 'pixwell' );
								/* translators: 1: plugin name. */
								$this->upgrader->strings['skin_update_successful'] = esc_html__( '%1$s installed successfully.', 'pixwell' );
								$this->upgrader->strings['skin_upgrade_end']       = esc_html__( 'All installations have been completed.', 'pixwell' );
								/* translators: 1: plugin name, 2: action number 3: total number of actions. */
								$this->upgrader->strings['skin_before_update_header'] = esc_html__( 'Installing Plugin %1$s (%2$d/%3$d)', 'pixwell' );
							}
						}
					}

					/**
					 * Outputs the header strings and necessary JS before each plugin installation.
					 *
					 * @since 2.2.0
					 *
					 * @param string $title Unused in this implementation.
					 */
					public function before( $title = '' ) {
						if ( empty( $title ) ) {
							$title = esc_html( $this->plugin_names[ $this->i ] );
						}
						parent::before( $title );
					}

					/**
					 * Outputs the footer strings and necessary JS after each plugin installation.
					 *
					 * Checks for any errors and outputs them if they exist, else output
					 * success strings.
					 *
					 * @since 2.2.0
					 *
					 * @param string $title Unused in this implementation.
					 */
					public function after( $title = '' ) {
						if ( empty( $title ) ) {
							$title = esc_html( $this->plugin_names[ $this->i ] );
						}
						parent::after( $title );

						$this->i++;
					}

					/**
					 * Outputs links after bulk plugin installation is complete.
					 *
					 * @since 2.2.0
					 */
					public function bulk_footer() {
						// Serve up the string to say installations (and possibly activations) are complete.
						parent::bulk_footer();

						// Flush plugins cache so we can make sure that the installed plugins list is always up to date.
						wp_clean_plugins_cache();

						$this->tgmpa->show_tgmpa_version();

						// Display message based on if all plugins are now active or not.
						$update_actions = array();

						if ( $this->tgmpa->is_tgmpa_complete() ) {
							// All plugins are active, so we display the complete string and hide the menu to protect users.
							echo '<style type="text/css">#adminmenu .wp-submenu li.current { display: none !important; }</style>';
							$update_actions['dashboard'] = sprintf(
								esc_html( $this->tgmpa->strings['complete'] ),
								'<a href="' . esc_url( self_admin_url() ) . '">' . esc_html__( 'Return to the Dashboard', 'pixwell' ) . '</a>'
							);
						} else {
							$update_actions['tgmpa_page'] = '<a href="' . esc_url( $this->tgmpa->get_tgmpa_url() ) . '" target="_parent">' . esc_html( $this->tgmpa->strings['return'] ) . '</a>';
						}

						/**
						 * Filter the list of action links available following bulk plugin installs/updates.
						 *
						 * @since 2.5.0
						 *
						 * @param array $update_actions Array of plugin action links.
						 * @param array $plugin_info    Array of information for the last-handled plugin.
						 */
						$update_actions = apply_filters( 'tgmpa_update_bulk_plugins_complete_actions', $update_actions, $this->plugin_info );

						if ( ! empty( $update_actions ) ) {
							$this->feedback( implode( ' | ', (array) $update_actions ) );
						}
					}

					/* *********** DEPRECATED METHODS *********** */

					/**
					 * Flush header output buffer.
					 *
					 * @since      2.2.0
					 * @deprecated 2.5.0 use {@see Bulk_Upgrader_Skin::flush_output()} instead
					 * @see        Bulk_Upgrader_Skin::flush_output()
					 */
					public function before_flush_output() {
						_deprecated_function( __FUNCTION__, 'TGMPA 2.5.0', 'Bulk_Upgrader_Skin::flush_output()' );
						$this->flush_output();
					}

					/**
					 * Flush footer output buffer and iterate $this->i to make sure the
					 * installation strings reference the correct plugin.
					 *
					 * @since      2.2.0
					 * @deprecated 2.5.0 use {@see Bulk_Upgrader_Skin::flush_output()} instead
					 * @see        Bulk_Upgrader_Skin::flush_output()
					 */
					public function after_flush_output() {
						_deprecated_function( __FUNCTION__, 'TGMPA 2.5.0', 'Bulk_Upgrader_Skin::flush_output()' );
						$this->flush_output();
						$this->i++;
					}
				}
			}
		}
	}
}

if ( ! class_exists( 'TGMPA_Utils' ) ) {

	/**
	 * Generic utilities for TGMPA.
	 *
	 * All methods are static, poor-dev name-spacing class wrapper.
	 *
	 * Class was called TGM_Utils in 2.5.0 but renamed TGMPA_Utils in 2.5.1 as this was conflicting with Soliloquy.
	 *
	 * @since 2.5.0
	 *
	 * @package TGM-Plugin-Activation
	 * @author  Juliette Reinders Folmer
	 */
	class TGMPA_Utils {
		/**
		 * Whether the PHP filter extension is enabled.
		 *
		 * @see http://php.net/book.filter
		 *
		 * @since 2.5.0
		 *
		 * @static
		 *
		 * @var bool $has_filters True is the extension is enabled.
		 */
		public static $has_filters;

		/**
		 * Wrap an arbitrary string in <em> tags. Meant to be used in combination with array_map().
		 *
		 * @since 2.5.0
		 *
		 * @static
		 *
		 * @param string $string Text to be wrapped.
		 * @return string
		 */
		public static function wrap_in_em( $string ) {
			return '<em>' . wp_kses_post( $string ) . '</em>';
		}

		/**
		 * Wrap an arbitrary string in <strong> tags. Meant to be used in combination with array_map().
		 *
		 * @since 2.5.0
		 *
		 * @static
		 *
		 * @param string $string Text to be wrapped.
		 * @return string
		 */
		public static function wrap_in_strong( $string ) {
			return '<strong>' . wp_kses_post( $string ) . '</strong>';
		}

		/**
		 * Helper function: Validate a value as boolean
		 *
		 * @since 2.5.0
		 *
		 * @static
		 *
		 * @param mixed $value Arbitrary value.
		 * @return bool
		 */
		public static function validate_bool( $value ) {
			if ( ! isset( self::$has_filters ) ) {
				self::$has_filters = extension_loaded( 'filter' );
			}

			if ( self::$has_filters ) {
				return filter_var( $value, FILTER_VALIDATE_BOOLEAN );
			} else {
				return self::emulate_filter_bool( $value );
			}
		}

		/**
		 * Helper function: Cast a value to bool
		 *
		 * @since 2.5.0
		 *
		 * @static
		 *
		 * @param mixed $value Value to cast.
		 * @return bool
		 */
		protected static function emulate_filter_bool( $value ) {
			// @codingStandardsIgnoreStart
			static $true  = array(
				'1',
				'true', 'True', 'TRUE',
				'y', 'Y',
				'yes', 'Yes', 'YES',
				'on', 'On', 'ON',
			);
			static $false = array(
				'0',
				'false', 'False', 'FALSE',
				'n', 'N',
				'no', 'No', 'NO',
				'off', 'Off', 'OFF',
			);
			// @codingStandardsIgnoreEnd

			if ( is_bool( $value ) ) {
				return $value;
			} elseif ( is_int( $value ) && ( 0 === $value || 1 === $value ) ) {
				return (bool) $value;
			} elseif ( ( is_float( $value ) && ! is_nan( $value ) ) && ( (float) 0 === $value || (float) 1 === $value ) ) {
				return (bool) $value;
			} elseif ( is_string( $value ) ) {
				$value = trim( $value );
				if ( in_array( $value, $true, true ) ) {
					return true;
				} elseif ( in_array( $value, $false, true ) ) {
					return false;
				} else {
					return false;
				}
			}

			return false;
		}
	} // End of class TGMPA_Utils
} // End of class_exists wrapper