public function optimize(array $routeTree): array
    {
        $segmentDepthNodeMap = $routeTree[1];

        foreach ($segmentDepthNodeMap as $segmentDepth => $nodes) {
            $segmentDepthNodeMap[$segmentDepth] = $this->optimizeNodes($nodes);
        }

        return [$routeTree[0], $segmentDepthNodeMap];
    }
public function optimize(array $routeTree): array
    {
        $segmentDepthNodeMap = $routeTree[1];

        foreach ($segmentDepthNodeMap as $segmentDepth => $nodes) {
            $segmentDepthNodeMap[$segmentDepth] = $this->optimizeNodes($nodes);
        }

        return [$routeTree[0], $segmentDepthNodeMap];
    }
public function optimize ( array $ routeTree ) : array { $ segmentDepthNodeMap = $ routeTree [ 1 ] ; foreach ( $ segmentDepthNodeMap as $ segmentDepth => $ nodes ) { $ segmentDepthNodeMap [ $ segmentDepth ] = $ this -> optimizeNodes ( $ nodes ) ; } return [ $ routeTree [ 0 ] , $ segmentDepthNodeMap ] ; }
Optimizes the supplied route tree.

@param array $routeTree

@return array
Optimizes the supplied route tree .