Title: Plugin_Upgrader_Skin
Published: April 25, 2014
Last modified: February 24, 2026

---

# class Plugin_Upgrader_Skin {}

## In this article

 * [Description](https://developer.wordpress.org/reference/classes/Plugin_Upgrader_Skin/?output_format=md#description)
    - [See also](https://developer.wordpress.org/reference/classes/Plugin_Upgrader_Skin/?output_format=md#see-also)
 * [Methods](https://developer.wordpress.org/reference/classes/Plugin_Upgrader_Skin/?output_format=md#methods)
 * [Source](https://developer.wordpress.org/reference/classes/Plugin_Upgrader_Skin/?output_format=md#source)
 * [Related](https://developer.wordpress.org/reference/classes/Plugin_Upgrader_Skin/?output_format=md#related)
 * [Changelog](https://developer.wordpress.org/reference/classes/Plugin_Upgrader_Skin/?output_format=md#changelog)

[ Back to top](https://developer.wordpress.org/reference/classes/Plugin_Upgrader_Skin/?output_format=md#wp--skip-link--target)

Plugin Upgrader Skin for WordPress Plugin Upgrades.

## 󠀁[Description](https://developer.wordpress.org/reference/classes/Plugin_Upgrader_Skin/?output_format=md#description)󠁿

### 󠀁[See also](https://developer.wordpress.org/reference/classes/Plugin_Upgrader_Skin/?output_format=md#see-also)󠁿

 * [WP_Upgrader_Skin](https://developer.wordpress.org/reference/classes/wp_upgrader_skin/)

## 󠀁[Methods](https://developer.wordpress.org/reference/classes/Plugin_Upgrader_Skin/?output_format=md#methods)󠁿

| Name | Description | 
| [Plugin_Upgrader_Skin::__construct](https://developer.wordpress.org/reference/classes/plugin_upgrader_skin/__construct/) | Constructor. | 
| [Plugin_Upgrader_Skin::after](https://developer.wordpress.org/reference/classes/plugin_upgrader_skin/after/) | Performs an action following a single plugin update. |

## 󠀁[Source](https://developer.wordpress.org/reference/classes/Plugin_Upgrader_Skin/?output_format=md#source)󠁿

    ```php
    class Plugin_Upgrader_Skin extends WP_Upgrader_Skin {

    	/**
    	 * Holds the plugin slug in the Plugin Directory.
    	 *
    	 * @since 2.8.0
    	 *
    	 * @var string
    	 */
    	public $plugin = '';

    	/**
    	 * Whether the plugin is active.
    	 *
    	 * @since 2.8.0
    	 *
    	 * @var bool
    	 */
    	public $plugin_active = false;

    	/**
    	 * Whether the plugin is active for the entire network.
    	 *
    	 * @since 2.8.0
    	 *
    	 * @var bool
    	 */
    	public $plugin_network_active = false;

    	/**
    	 * Constructor.
    	 *
    	 * Sets up the plugin upgrader skin.
    	 *
    	 * @since 2.8.0
    	 *
    	 * @param array $args Optional. The plugin upgrader skin arguments to
    	 *                    override default options. Default empty array.
    	 */
    	public function __construct( $args = array() ) {
    		$defaults = array(
    			'url'    => '',
    			'plugin' => '',
    			'nonce'  => '',
    			'title'  => __( 'Update Plugin' ),
    		);
    		$args     = wp_parse_args( $args, $defaults );

    		$this->plugin = $args['plugin'];

    		$this->plugin_active         = is_plugin_active( $this->plugin );
    		$this->plugin_network_active = is_plugin_active_for_network( $this->plugin );

    		parent::__construct( $args );
    	}

    	/**
    	 * Performs an action following a single plugin update.
    	 *
    	 * @since 2.8.0
    	 */
    	public function after() {
    		$this->plugin = $this->upgrader->plugin_info();
    		if ( ! empty( $this->plugin ) && ! is_wp_error( $this->result ) && $this->plugin_active ) {
    			// Currently used only when JS is off for a single plugin update?
    			printf(
    				'<iframe title="%s" style="border:0;overflow:hidden" width="100%%" height="170" src="%s"></iframe>',
    				esc_attr__( 'Update progress' ),
    				wp_nonce_url( 'update.php?action=activate-plugin&networkwide=' . $this->plugin_network_active . '&plugin=' . urlencode( $this->plugin ), 'activate-plugin_' . $this->plugin )
    			);
    		}

    		$this->decrement_update_count( 'plugin' );

    		$update_actions = array(
    			'activate_plugin' => sprintf(
    				'<a href="%s" target="_parent">%s</a>',
    				wp_nonce_url( 'plugins.php?action=activate&amp;plugin=' . urlencode( $this->plugin ), 'activate-plugin_' . $this->plugin ),
    				__( 'Activate Plugin' )
    			),
    			'plugins_page'    => sprintf(
    				'<a href="%s" target="_parent">%s</a>',
    				self_admin_url( 'plugins.php' ),
    				__( 'Go to Plugins page' )
    			),
    		);

    		if ( $this->plugin_active || ! $this->result || is_wp_error( $this->result ) || ! current_user_can( 'activate_plugin', $this->plugin ) ) {
    			unset( $update_actions['activate_plugin'] );
    		}

    		/**
    		 * Filters the list of action links available following a single plugin update.
    		 *
    		 * @since 2.7.0
    		 *
    		 * @param string[] $update_actions Array of plugin action links.
    		 * @param string   $plugin         Path to the plugin file relative to the plugins directory.
    		 */
    		$update_actions = apply_filters( 'update_plugin_complete_actions', $update_actions, $this->plugin );

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

[View all references](https://developer.wordpress.org/reference/files/wp-admin/includes/class-plugin-upgrader-skin.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/6.9.4/src/wp-admin/includes/class-plugin-upgrader-skin.php#L18)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-admin/includes/class-plugin-upgrader-skin.php#L18-L123)

## 󠀁[Related](https://developer.wordpress.org/reference/classes/Plugin_Upgrader_Skin/?output_format=md#related)󠁿

| Uses | Description | 
| [WP_Upgrader_Skin](https://developer.wordpress.org/reference/classes/wp_upgrader_skin/)`wp-admin/includes/class-wp-upgrader-skin.php` |

Generic Skin for the WordPress Upgrader classes. This skin is designed to be extended for specific purposes.

  |

## 󠀁[Changelog](https://developer.wordpress.org/reference/classes/Plugin_Upgrader_Skin/?output_format=md#changelog)󠁿

| Version | Description | 
| [4.6.0](https://developer.wordpress.org/reference/since/4.6.0/) | Moved to its own file from wp-admin/includes/class-wp-upgrader-skins.php. | 
| [2.8.0](https://developer.wordpress.org/reference/since/2.8.0/) | Introduced. |

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