public static function notices() {

		if ( isset( $_GET['success'] ) && get_option( 'pum_settings_admin_notice' ) ) {
			self::$notices[] = array(
				'type'    => $_GET['success'] ? 'success' : 'error',
				'message' => get_option( 'pum_settings_admin_notice' ),
			);

			delete_option( 'pum_settings_admin_notice' );
		}

		if ( ! empty( self::$notices ) ) {
			foreach ( self::$notices as $notice ) { ?>
				<div class="notice notice-<?php echo esc_attr( $notice['type'] ); ?> is-dismissible">
					<p><strong><?php esc_html_e( $notice['message'] ); ?></strong></p>
					<button type="button" class="notice-dismiss">
						<span class="screen-reader-text"><?php _e( 'Dismiss this notice.', 'popup-maker' ); ?></span>
					</button>
				</div>
			<?php }
		}
	}