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* @see WP_Upgrader_Skin
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class Plugin_Upgrader_Skin extends WP_Upgrader_Skin {
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public $plugin_active = false;
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public $plugin_active = false;
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public $plugin_network_active = false;
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* @param array $args
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public function __construct( $args = array() ) {
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$defaults = array( 'url' => '', 'plugin' => '', 'nonce' => '', 'title' => __('Update Plugin') );
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$args = wp_parse_args($args, $defaults);
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'title' => __( 'Update Plugin' ),
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$args = wp_parse_args( $args, $defaults );
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$this->plugin = $args['plugin'];
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$this->plugin_active = is_plugin_active( $this->plugin );
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$this->plugin_active = is_plugin_active( $this->plugin );
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$this->plugin_network_active = is_plugin_active_for_network( $this->plugin );
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parent::__construct($args);
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parent::__construct( $args );
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public function after() {
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$this->plugin = $this->upgrader->plugin_info();
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if ( !empty($this->plugin) && !is_wp_error($this->result) && $this->plugin_active ){
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if ( ! empty( $this->plugin ) && ! is_wp_error( $this->result ) && $this->plugin_active ) {
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// Currently used only when JS is off for a single plugin update?
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echo '<iframe title="' . esc_attr__( 'Update progress' ) . '" style="border:0;overflow:hidden" width="100%" height="170" src="' . wp_nonce_url( 'update.php?action=activate-plugin&networkwide=' . $this->plugin_network_active . '&plugin=' . urlencode( $this->plugin ), 'activate-plugin_' . $this->plugin ) . '"></iframe>';
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$this->decrement_update_count( 'plugin' );
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$update_actions = array(
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'activate_plugin' => '<a href="' . wp_nonce_url( 'plugins.php?action=activate&plugin=' . urlencode( $this->plugin ), 'activate-plugin_' . $this->plugin) . '" target="_parent">' . __( 'Activate Plugin' ) . '</a>',
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'plugins_page' => '<a href="' . self_admin_url( 'plugins.php' ) . '" target="_parent">' . __( 'Return to Plugins page' ) . '</a>'
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$update_actions = array(
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'activate_plugin' => '<a href="' . wp_nonce_url( 'plugins.php?action=activate&plugin=' . urlencode( $this->plugin ), 'activate-plugin_' . $this->plugin ) . '" target="_parent">' . __( 'Activate Plugin' ) . '</a>',
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'plugins_page' => '<a href="' . self_admin_url( 'plugins.php' ) . '" target="_parent">' . __( 'Return to Plugins page' ) . '</a>',
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if ( $this->plugin_active || ! $this->result || is_wp_error( $this->result ) || ! current_user_can( 'activate_plugin', $this->plugin ) )
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if ( $this->plugin_active || ! $this->result || is_wp_error( $this->result ) || ! current_user_can( 'activate_plugin', $this->plugin ) ) {
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unset( $update_actions['activate_plugin'] );
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* Filters the list of action links available following a single plugin update.
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* @param array $update_actions Array of plugin action links.
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* @param string $plugin Path to the plugin file.
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* @param string[] $update_actions Array of plugin action links.
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* @param string $plugin Path to the plugin file relative to the plugins directory.
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$update_actions = apply_filters( 'update_plugin_complete_actions', $update_actions, $this->plugin );
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if ( ! empty($update_actions) )
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$this->feedback(implode(' | ', (array)$update_actions));
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if ( ! empty( $update_actions ) ) {
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$this->feedback( implode( ' | ', (array) $update_actions ) );