private function get_signup_notice() {

		// Setup empty notice for return value.
		$notice = array();

		// Updates.
		if ( ! empty( $_REQUEST['updated'] ) ) {
			switch ( $_REQUEST['updated'] ) {
				case 'resent':
					$notice = array(
						'class'   => 'updated',
						'message' => ''
					);

					if ( ! empty( $_REQUEST['resent'] ) ) {
						$notice['message'] .= sprintf(
							_nx( '%s activation email successfully sent! ', '%s activation emails successfully sent! ',
							 absint( $_REQUEST['resent'] ),
							 'signup resent',
							 'buddypress'
							),
							number_format_i18n( absint( $_REQUEST['resent'] ) )
						);
					}

					if ( ! empty( $_REQUEST['notsent'] ) ) {
						$notice['message'] .= sprintf(
							_nx( '%s activation email was not sent.', '%s activation emails were not sent.',
							 absint( $_REQUEST['notsent'] ),
							 'signup notsent',
							 'buddypress'
							),
							number_format_i18n( absint( $_REQUEST['notsent'] ) )
						);

						if ( empty( $_REQUEST['resent'] ) ) {
							$notice['class'] = 'error';
						}
					}

					break;

				case 'activated':
					$notice = array(
						'class'   => 'updated',
						'message' => ''
					);

					if ( ! empty( $_REQUEST['activated'] ) ) {
						$notice['message'] .= sprintf(
							_nx( '%s account successfully activated! ', '%s accounts successfully activated! ',
							 absint( $_REQUEST['activated'] ),
							 'signup resent',
							 'buddypress'
							),
							number_format_i18n( absint( $_REQUEST['activated'] ) )
						);
					}

					if ( ! empty( $_REQUEST['notactivated'] ) ) {
						$notice['message'] .= sprintf(
							_nx( '%s account was not activated.', '%s accounts were not activated.',
							 absint( $_REQUEST['notactivated'] ),
							 'signup notsent',
							 'buddypress'
							),
							number_format_i18n( absint( $_REQUEST['notactivated'] ) )
						);

						if ( empty( $_REQUEST['activated'] ) ) {
							$notice['class'] = 'error';
						}
					}

					break;

				case 'deleted':
					$notice = array(
						'class'   => 'updated',
						'message' => ''
					);

					if ( ! empty( $_REQUEST['deleted'] ) ) {
						$notice['message'] .= sprintf(
							_nx( '%s sign-up successfully deleted!', '%s sign-ups successfully deleted!',
							 absint( $_REQUEST['deleted'] ),
							 'signup deleted',
							 'buddypress'
							),
							number_format_i18n( absint( $_REQUEST['deleted'] ) )
						);
					}

					if ( ! empty( $_REQUEST['notdeleted'] ) ) {
						$notice['message'] .= sprintf(
							_nx( '%s sign-up was not deleted.', '%s sign-ups were not deleted.',
							 absint( $_REQUEST['notdeleted'] ),
							 'signup notdeleted',
							 'buddypress'
							),
							number_format_i18n( absint( $_REQUEST['notdeleted'] ) )
						);

						if ( empty( $_REQUEST['deleted'] ) ) {
							$notice['class'] = 'error';
						}
					}

					break;
			}
		}

		// Errors.
		if ( ! empty( $_REQUEST['error'] ) ) {
			switch ( $_REQUEST['error'] ) {
				case 'do_resend':
					$notice = array(
						'class'   => 'error',
						'message' => esc_html__( 'There was a problem sending the activation emails. Please try again.', 'buddypress' ),
					);
					break;

				case 'do_activate':
					$notice = array(
						'class'   => 'error',
						'message' => esc_html__( 'There was a problem activating accounts. Please try again.', 'buddypress' ),
					);
					break;

				case 'do_delete':
					$notice = array(
						'class'   => 'error',
						'message' => esc_html__( 'There was a problem deleting sign-ups. Please try again.', 'buddypress' ),
					);
					break;
			}
		}

		return $notice;
	}