bp_core_hide_display_name_field( int $field_id )

function bp_core_hide_display_name_field( $field_id = 0 ) {
	if (
		! function_exists( 'bp_is_active' )
		|| ! bp_is_active( 'xprofile' )
		|| empty( $field_id )
	) {
		return false;
	}

	$retval = false;

	// Get the current display settings from BuddyBoss > Settings > Profiles > Display Name Format.
	$current_value = bp_get_option( 'bp-display-name-format' );

	// If First Name selected then do not add last name field.
	if ( 'first_name' === $current_value && $field_id === bp_xprofile_lastname_field_id() ) {
		if ( function_exists( 'bp_hide_last_name' ) && false === bp_hide_last_name() ) {
			$retval = true;
		}
		// If Nick Name selected then do not add first & last name field.
	} elseif ( 'nickname' === $current_value && $field_id === bp_xprofile_lastname_field_id() ) {
		if ( function_exists( 'bp_hide_nickname_last_name' ) && false === bp_hide_nickname_last_name() ) {
			$retval = true;
		}
	} elseif ( 'nickname' === $current_value && $field_id === bp_xprofile_firstname_field_id() ) {
		if ( function_exists( 'bp_hide_nickname_first_name' ) && false === bp_hide_nickname_first_name() ) {
			$retval = true;
		}
	}

	/**
	 * Filters Hide Display name field.
	 *
	 * @since BuddyBoss 1.4.7
	 *
	 * @param bool $retval   Return value.
	 * @param int  $field_id ID for the profile field.
	 */
	return ( bool ) apply_filters( 'bp_core_hide_display_name_field', $retval, $field_id );
}