Neos\ContentRepository\Domain\Repository\NodeDataRepository::reduceNodeVariantsByWorkspacesAndDimensions PHP Метод

    protected function reduceNodeVariantsByWorkspacesAndDimensions(array $nodes, array $workspaces, array $dimensions)
    {
        $foundNodes = [];
        $minimalDimensionPositionsByIdentifier = [];
        foreach ($nodes as $node) {
            /** @var NodeData $node */
            $nodeDimensions = $node->getDimensionValues();
            // Find the position of the workspace, a smaller value means more priority
            $workspaceNames = array_map(function (Workspace $workspace) {
                return $workspace->getName();
            }, $workspaces);
            $workspacePosition = array_search($node->getWorkspace()->getName(), $workspaceNames);
            if ($workspacePosition === false) {
                throw new Exception\NodeException(sprintf('Node workspace "%s" not found in allowed workspaces (%s), this could result from a detached workspace entity in the context.', $node->getWorkspace()->getName(), implode($workspaceNames, ', ')), 1413902143);
            }
            // Find positions in dimensions, add workspace in front for highest priority
            $dimensionPositions = [];
            // Special case for no dimensions
            if ($dimensions === []) {
                // We can just decide if the given node has no dimensions.
                $dimensionPositions[] = $nodeDimensions === [] ? 0 : 1;
            }
            foreach ($dimensions as $dimensionName => $dimensionValues) {
                if (isset($nodeDimensions[$dimensionName])) {
                    foreach ($nodeDimensions[$dimensionName] as $nodeDimensionValue) {
                        $position = array_search($nodeDimensionValue, $dimensionValues);
                        $dimensionPositions[$dimensionName] = isset($dimensionPositions[$dimensionName]) ? min($dimensionPositions[$dimensionName], $position) : $position;
                    }
                } else {
                    $dimensionPositions[$dimensionName] = isset($dimensionPositions[$dimensionName]) ? min($dimensionPositions[$dimensionName], PHP_INT_MAX) : PHP_INT_MAX;
                }
            }
            $dimensionPositions[] = $workspacePosition;
            $identifier = $node->getIdentifier();
            // Yes, it seems to work comparing arrays that way!
            if (!isset($minimalDimensionPositionsByIdentifier[$identifier]) || $dimensionPositions < $minimalDimensionPositionsByIdentifier[$identifier]) {
                $foundNodes[$identifier] = $node;
                $minimalDimensionPositionsByIdentifier[$identifier] = $dimensionPositions;
            }
        }
        return $foundNodes;
    }