If placeholders cached and empty meta for email placeholder

Ultimate Member registration form submit

if ( !function_exists( 'um_profile_submitted_to_glabals' ) ) {

	/**
	 * Save submitted data to $GLOBALS
	 * @param int $user_id
	 * @param array $submitted
	 */
	function um_profile_submitted_to_glabals( $user_id, $submitted ) {
		if ( $submitted ) {
			$GLOBALS["um_user{$user_id}_profile_submitted"] = $submitted;

			add_filter( 'um_profile_submitted_empty__filter', function ( $submitted ) {
				if ( !$submitted ) {
					$user_id = um_user( 'ID' );
					$submitted = $GLOBALS["um_user{$user_id}_profile_submitted"];
				}
				return $submitted;
			}, 20, 1 );
		}
		update_meta_cache( 'user', $user_id );
	}

}
add_action( 'um_after_save_registration_details', 'um_profile_submitted_to_glabals', 10, 2 );


if ( !function_exists( 'um_profile_slug_to_glabals' ) ) {

	/**
	 * Save profile_slug to $GLOBALS
	 * @param string $user_in_url
	 * @param int $user_id
	 */
	function um_profile_slug_to_glabals( $user_in_url, $user_id ) {
		if ( $user_in_url ) {
			$GLOBALS["um_user{$user_id}_profile_slug"] = $user_in_url;

			add_filter( "get_user_metadata", function( $data, $object_id, $meta_key ) {
				static $permalink_base = '';
				if ( empty( $permalink_base ) ) {
					$permalink_base = UM()->options()->get( 'permalink_base' );
				}

				static $user_id = 0;
				if ( empty( $user_id ) ) {
					$user_id = um_user( 'ID' );
				}

				if ( $object_id === $user_id && $meta_key === "um_user_profile_url_slug_{$permalink_base}" && !$data ) {
					$data = $GLOBALS["um_user{$user_id}_profile_slug"];
				}

				return $data;
			}, 20, 3 );
		}
	}

}
add_filter( 'um_change_user_profile_slug', 'um_profile_slug_to_glabals', 10, 2 );