_uninstall_plugin_event.php

<?php
		function _uninstall_plugin_event( $check_user = true ) {
			$this->_logger->entrance( 'slug = ' . $this->_slug );

			if ( $check_user && ! current_user_can( 'activate_plugins' ) ) {
				return;
			}

			$params           = array();
			$uninstall_reason = null;
			if ( isset( $this->_storage->uninstall_reason ) ) {
				$uninstall_reason      = $this->_storage->uninstall_reason;
				$params['reason_id']   = $uninstall_reason->id;
				$params['reason_info'] = $uninstall_reason->info;
			}

			if ( ! $this->is_registered() ) {
				// Send anonymous uninstall event only if user submitted a feedback.
				if ( isset( $uninstall_reason ) ) {
					if ( isset( $uninstall_reason->is_anonymous ) && ! $uninstall_reason->is_anonymous ) {
						$this->opt_in( false, false, false, false, true );
					} else {
						$params['uid'] = $this->get_anonymous_id();
						$this->get_api_plugin_scope()->call( 'uninstall.json', 'put', $params );
					}
				}
			} else {
				// Send uninstall event.
				$this->send_install_update( array_merge( $params, array(
					'is_active'      => false,
					'is_uninstalled' => true,
				) ) );
			}

			// @todo Decide if we want to delete plugin information from db.
		}