src/Fixer/Import/NoUnusedImportsFixer.php
protected function applyFix(\SplFileInfo $file, Tokens $tokens)
    {
        $useDeclarations = (new NamespaceUsesAnalyzer())->getDeclarationsFromTokens($tokens);

        if (0 === \count($useDeclarations)) {
            return;
        }

        foreach ((new NamespacesAnalyzer())->getDeclarations($tokens) as $namespace) {
            $currentNamespaceUseDeclarations = array_filter(
                $useDeclarations,
                function (NamespaceUseAnalysis $useDeclaration) use ($namespace) {
                    return
                        $useDeclaration->getStartIndex() >= $namespace->getScopeStartIndex()
                        && $useDeclaration->getEndIndex() <= $namespace->getScopeEndIndex()
                    ;
                }
            );

            $usagesSearchIgnoredIndexes = [];

            foreach ($currentNamespaceUseDeclarations as $useDeclaration) {
                $usagesSearchIgnoredIndexes[$useDeclaration->getStartIndex()] = $useDeclaration->getEndIndex();
            }

            foreach ($currentNamespaceUseDeclarations as $useDeclaration) {
                if (!$this->importIsUsed($tokens, $namespace, $usagesSearchIgnoredIndexes, $useDeclaration->getShortName())) {
                    $this->removeUseDeclaration($tokens, $useDeclaration);
                }
            }

            $this->removeUsesInSameNamespace($tokens, $currentNamespaceUseDeclarations, $namespace);
        }
    }
protected function applyFix(\SplFileInfo $file, Tokens $tokens)
    {
        $useDeclarations = (new NamespaceUsesAnalyzer())->getDeclarationsFromTokens($tokens);

        if (0 === \count($useDeclarations)) {
            return;
        }

        foreach ((new NamespacesAnalyzer())->getDeclarations($tokens) as $namespace) {
            $currentNamespaceUseDeclarations = array_filter(
                $useDeclarations,
                function (NamespaceUseAnalysis $useDeclaration) use ($namespace) {
                    return
                        $useDeclaration->getStartIndex() >= $namespace->getScopeStartIndex()
                        && $useDeclaration->getEndIndex() <= $namespace->getScopeEndIndex()
                    ;
                }
            );

            $usagesSearchIgnoredIndexes = [];

            foreach ($currentNamespaceUseDeclarations as $useDeclaration) {
                $usagesSearchIgnoredIndexes[$useDeclaration->getStartIndex()] = $useDeclaration->getEndIndex();
            }

            foreach ($currentNamespaceUseDeclarations as $useDeclaration) {
                if (!$this->importIsUsed($tokens, $namespace, $usagesSearchIgnoredIndexes, $useDeclaration->getShortName())) {
                    $this->removeUseDeclaration($tokens, $useDeclaration);
                }
            }

            $this->removeUsesInSameNamespace($tokens, $currentNamespaceUseDeclarations, $namespace);
        }
    }
{@inheritdoc}