ComposerRequireChecker\UsedSymbolsLocator\LocateUsedSymbolsFromASTRoots::__invoke()

Complexity

Conditions	2
Paths	2

Size

Total Lines	21
Code Lines	10

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	11
CRAP Score	2

Importance

Changes	2
Bugs	0	Features	0

<?php
    public function __invoke(Traversable $ASTs): array
    {
        // note: dependency injection is not really feasible for these two, as they need to co-exist in parallel
        $traverser = new NodeTraverser();

        $traverser->addVisitor(new NameResolver());
        $traverser->addVisitor($collector = new UsedSymbolCollector());

        $astSymbols = [];

        foreach ($ASTs as $astRoot) {
            $traverser->traverse($astRoot);

            $astSymbols[] = $collector->getCollectedSymbols();
        }

        $usedSymbols = array_unique(array_merge([], ...$astSymbols));

        natcasesort($usedSymbols);

        return array_values($usedSymbols);
    }