bp_is_current_item( string $item = '' )

function bp_is_current_item( $item = '' ) {
	$retval = ( $item === bp_current_item() );

	/**
	 * Filters whether or not an item is the current item.
	 *
	 * @since BuddyPress 2.1.0
	 *
	 * @param bool   $retval Whether or not an item is the current item.
	 * @param string $item   The item being checked.
	 */
	return (bool) apply_filters( 'bp_is_current_item', $retval, $item );
}