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<?php |
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namespace WebStream\ClassLoader; |
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use WebStream\DI\Injector; |
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use WebStream\IO\File; |
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use WebStream\IO\FileInputStream; |
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/** |
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* クラスローダ |
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* @author Ryuichi TANAKA. |
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* @since 2013/09/02 |
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* @version 0.7 |
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*/ |
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class ClassLoader |
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{ |
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use Injector; |
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/** |
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* @var Psr\Log\LoggerInterface |
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*/ |
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private $logger; |
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/** |
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* @var string アプリケーションルートパス |
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*/ |
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private $applicationRoot; |
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/** |
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* constructor |
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* @param string アプリケーションルートパス |
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*/ |
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public function __construct(string $applicationRoot) |
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{ |
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$this->logger = new class() { function __call($name, $args) {} }; |
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$this->applicationRoot = $applicationRoot; |
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} |
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/** |
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* クラスをロードする |
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* @param mixed クラスまたはクラスリスト |
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* @return array<string> ロード済みクラスリスト |
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*/ |
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public function load($target): array |
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{ |
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return is_array($target) ? $this->loadClassList($target) : $this->loadClass($target); |
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} |
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/** |
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* ファイルをインポートする |
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* @param string ファイルパス |
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* @param callable フィルタリング無名関数 trueを返すとインポート |
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* @return bool インポート結果 |
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*/ |
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public function import($filepath, callable $filter = null): bool |
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{ |
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$file = new File($this->applicationRoot . "/" . $filepath); |
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if ($file->isFile()) { |
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if ($file->getFileExtension() === 'php') { |
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if ($filter === null || (is_callable($filter) && $filter($file->getFilePath()) === true)) { |
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include_once $file->getFilePath(); |
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$this->logger->debug($file->getFilePath() . " import success."); |
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} |
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} |
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return true; |
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} |
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return false; |
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} |
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/** |
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* 指定ディレクトリのファイルをインポートする |
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* @param string ディレクトリパス |
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* @param callable フィルタリング無名関数 trueを返すとインポート |
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* @return bool インポート結果 |
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*/ |
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public function importAll($dirPath, callable $filter = null): bool |
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{ |
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$dir = new File($this->applicationRoot . "/" . $dirPath); |
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$isSuccess = true; |
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if ($dir->isDirectory()) { |
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$iterator = $this->getFileSearchIterator($dir->getFilePath()); |
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foreach ($iterator as $filepath => $fileObject) { |
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if (preg_match("/(?:\/\.|\/\.\.|\.DS_Store)$/", $filepath)) { |
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continue; |
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} |
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$file = new File($filepath); |
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if ($file->isFile()) { |
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if ($file->getFileExtension() === 'php') { |
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if ($filter === null || (is_callable($filter) && $filter($file->getFilePath()) === true)) { |
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include_once $file->getFilePath(); |
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$this->logger->debug($file->getFilePath() . " import success."); |
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} |
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} |
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} else { |
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$this->logger->warn($filepath . " import failure."); |
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$isSuccess = false; |
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} |
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} |
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} |
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return $isSuccess; |
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} |
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/** |
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* 名前空間リストを返却する |
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* @param string ファイル名 |
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* @return array<string> 名前空間リスト |
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*/ |
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public function getNamespaces($fileName) |
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{ |
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$dir = new File($this->applicationRoot); |
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$namespaces = []; |
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if ($dir->isDirectory()) { |
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$iterator = $this->getFileSearchIterator($dir->getFilePath()); |
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foreach ($iterator as $filepath => $fileObject) { |
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if (preg_match("/(?:\/\.|\/\.\.|\.DS_Store)$/", $filepath)) { |
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continue; |
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} |
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$file = new File($filepath); |
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if ($file->isFile() && $file->getFileName() === $fileName) { |
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$fis = new FileInputStream($file); |
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while (($line = $fis->readLine()) !== null) { |
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if (preg_match("/^namespace\s(.*);$/", $line, $matches)) { |
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$namespace = $matches[1]; |
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if (substr($namespace, 0) !== '\\') { |
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$namespace = '\\' . $namespace; |
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} |
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$namespaces[] = $namespace; |
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} |
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} |
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$fis->close(); |
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} |
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} |
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} |
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return $namespaces; |
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} |
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/** |
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* ロード可能なクラスを返却する |
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* @param string クラス名(フルパス指定の場合はクラスパス) |
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* @return array<string> ロード可能クラス |
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*/ |
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private function loadClass(string $className): array |
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{ |
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$rootDir = $this->applicationRoot; |
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$logger = $this->logger; |
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// 名前空間セパレータをパスセパレータに置換 |
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if (DIRECTORY_SEPARATOR === '/') { |
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$className = str_replace("\\", DIRECTORY_SEPARATOR, $className); |
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} |
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$search = function ($dirPath, $searchFilePath) use ($logger) { |
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$includeList = []; |
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$dir = new File($dirPath); |
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if (!$dir->isDirectory()) { |
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$logger->error("Invalid search directory path: " . $dir->getFilePath()); |
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return $includeList; |
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} |
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$iterator = $this->getFileSearchIterator($dir->getFilePath()); |
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foreach ($iterator as $filepath => $fileObject) { |
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if (!$fileObject->isFile()) { |
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continue; |
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} |
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if (strpos($filepath, $searchFilePath) !== false) { |
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$file = new File($filepath); |
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$absoluteFilePath = $file->getAbsoluteFilePath(); |
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include_once $absoluteFilePath; |
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$includeList[] = $absoluteFilePath; |
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$logger->debug($absoluteFilePath . " load success. (search from " . $dir->getFilePath()); |
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} |
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} |
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return $includeList; |
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}; |
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return $search("${rootDir}", DIRECTORY_SEPARATOR . "${className}.php"); |
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} |
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/** |
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* ロード可能なクラスを複数返却する |
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* @param array クラス名 |
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* @return array<string> ロード済みクラスリスト |
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*/ |
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private function loadClassList(array $classList): array |
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{ |
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$includedlist = []; |
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foreach ($classList as $className) { |
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$result = $this->loadClass($className); |
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if (is_array($result)) { |
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$includedlist = array_merge($includedlist, $result); |
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} |
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} |
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return $includedlist; |
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} |
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/** |
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* ファイル検索イテレータを返却する |
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* @param string ディレクトリパス |
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* @return RecursiveIteratorIterator イテレータ |
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*/ |
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private function getFileSearchIterator(string $path): \RecursiveIteratorIterator |
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{ |
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$iterator = []; |
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$file = new File($path); |
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if ($file->isDirectory()) { |
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$iterator = new \RecursiveIteratorIterator( |
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new \RecursiveDirectoryIterator($path), |
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\RecursiveIteratorIterator::LEAVES_ONLY, |
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\RecursiveIteratorIterator::CATCH_GET_CHILD // for Permission deny |
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); |
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} |
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return $iterator; |
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} |
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} |
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webstream-framework /
ClassLoader
Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..