Plugin_Upgrader::upgrade( string $plugin, array $args = array() ): bool|WP_Error

Source

public function upgrade( $plugin, $args = array() ) {	$defaults = array(	'clear_update_cache' => true,	);	$parsed_args = wp_parse_args( $args, $defaults );	$this->init();	$this->upgrade_strings();	$current = get_site_transient( 'update_plugins' );	if ( ! isset( $current->response[ $plugin ] ) ) {	$this->skin->before();	$this->skin->set_result( false );	$this->skin->error( 'up_to_date' );	$this->skin->after();	return false;	}	// Get the URL to the zip file.	$r = $current->response[ $plugin ];	add_filter( 'upgrader_pre_install', array( $this, 'deactivate_plugin_before_upgrade' ), 10, 2 );	add_filter( 'upgrader_pre_install', array( $this, 'active_before' ), 10, 2 );	add_filter( 'upgrader_clear_destination', array( $this, 'delete_old_plugin' ), 10, 4 );	add_filter( 'upgrader_post_install', array( $this, 'active_after' ), 10, 2 );	/* * There's a Trac ticket to move up the directory for zips which are made a bit differently, useful for non-.org plugins. * 'source_selection' => array( $this, 'source_selection' ), */	if ( $parsed_args['clear_update_cache'] ) {	// Clear cache so wp_update_plugins() knows about the new plugin.	add_action( 'upgrader_process_complete', 'wp_clean_plugins_cache', 9, 0 );	}	$this->run(	array(	'package' => $r->package,	'destination' => WP_PLUGIN_DIR,	'clear_destination' => true,	'clear_working' => true,	'hook_extra' => array(	'plugin' => $plugin,	'type' => 'plugin',	'action' => 'update',	'temp_backup' => array(	'slug' => dirname( $plugin ),	'src' => WP_PLUGIN_DIR,	'dir' => 'plugins',	),	),	)	);	// Cleanup our hooks, in case something else does an upgrade on this connection.	remove_action( 'upgrader_process_complete', 'wp_clean_plugins_cache', 9 );	remove_filter( 'upgrader_pre_install', array( $this, 'deactivate_plugin_before_upgrade' ) );	remove_filter( 'upgrader_pre_install', array( $this, 'active_before' ) );	remove_filter( 'upgrader_clear_destination', array( $this, 'delete_old_plugin' ) );	remove_filter( 'upgrader_post_install', array( $this, 'active_after' ) );	if ( ! $this->result || is_wp_error( $this->result ) ) {	return $this->result;	}	// Force refresh of plugin update information.	wp_clean_plugins_cache( $parsed_args['clear_update_cache'] );	/* * Ensure any future auto-update failures trigger a failure email by removing * the last failure notification from the list when plugins update successfully. */	$past_failure_emails = get_option( 'auto_plugin_theme_update_emails', array() );	if ( isset( $past_failure_emails[ $plugin ] ) ) {	unset( $past_failure_emails[ $plugin ] );	update_option( 'auto_plugin_theme_update_emails', $past_failure_emails );	}	return true; } 

View all references View on Trac View on GitHub