wp-admin/includes/class-wp-upgrader-skin.php:176Displays an error message about the update.
$errorsstring|WP_Error public function error( $errors ) { if ( ! $this->done_header ) { $this->header(); } if ( is_string( $errors ) ) { $this->feedback( $errors ); } elseif ( is_wp_error( $errors ) && $errors->has_errors() ) { foreach ( $errors->get_error_messages() as $message ) { if ( $errors->get_error_data() && is_string( $errors->get_error_data() ) ) { $this->feedback( $message . ' ' . esc_html( strip_tags( $errors->get_error_data() ) ) ); } else { $this->feedback( $message ); } } } }Introduced in 2.8.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-admin/includes/class-wp-upgrader-skin.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.