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<?php /* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\Finder\Iterator; use Symfony\Component\Finder\Exception\AccessDeniedException; use Symfony\Component\Finder\SplFileInfo; /** * Extends the \RecursiveDirectoryIterator to support relative paths. * * @author Victor Berchet <victor@suumit.com> */ class RecursiveDirectoryIterator extends \RecursiveDirectoryIterator { /** * @var bool */ private $ignoreUnreadableDirs; /** * @var bool */ private $rewindable; // these 3 properties take part of the performance optimization to avoid redoing the same work in all iterations private $rootPath; private $subPath = false; private $directorySeparator = '/'; /** * Constructor. * * @param string $path * @param int $flags * @param bool $ignoreUnreadableDirs * * @throws \RuntimeException */ public function __construct($path, $flags, $ignoreUnreadableDirs = false) { if ($flags & (self::CURRENT_AS_PATHNAME | self::CURRENT_AS_SELF)) { throw new \RuntimeException('This iterator only support returning current as fileinfo.'); } parent::__construct($path, $flags); $this->ignoreUnreadableDirs = $ignoreUnreadableDirs; if ('/' !== DIRECTORY_SEPARATOR && !($flags & self::UNIX_PATHS)) { $this->directorySeparator = DIRECTORY_SEPARATOR; } } /** * Return an instance of SplFileInfo with support for relative paths. * * @return SplFileInfo File information */ public function current() { // the logic here avoids redoing the same work in all iterations if (null === $this->rootPath) { $this->rootPath = $this->getPath(); } if (false === $subPathname = $this->subPath) { $subPathname = $this->subPath = $this->getSubPath(); } if ('' !== $subPathname) { $subPathname .= $this->directorySeparator; } $subPathname .= $this->getFilename(); return new SplFileInfo($this->rootPath.$this->directorySeparator.$subPathname, $this->subPath, $subPathname); } /** * @return \RecursiveIterator * * @throws AccessDeniedException */ public function getChildren() { try { $children = parent::getChildren(); if ($children instanceof self) { // parent method will call the constructor with default arguments, so unreadable dirs won't be ignored anymore $children->ignoreUnreadableDirs = $this->ignoreUnreadableDirs; // performance optimization to avoid redoing the same work in all children $children->rewindable = &$this->rewindable; $children->rootPath = $this->rootPath; } return $children; } catch (\UnexpectedValueException $e) { if ($this->ignoreUnreadableDirs) { // If directory is unreadable and finder is set to ignore it, a fake empty content is returned. return new \RecursiveArrayIterator(array()); } else { throw new AccessDeniedException($e->getMessage(), $e->getCode(), $e); } } } /** * Do nothing for non rewindable stream. */ public function rewind() { if (false === $this->isRewindable()) { return; } // @see https://bugs.php.net/bug.php?id=49104 parent::next(); parent::rewind(); } /** * Checks if the stream is rewindable. * * @return bool true when the stream is rewindable, false otherwise */ public function isRewindable() { if (null !== $this->rewindable) { return $this->rewindable; } if (false !== $stream = @opendir($this->getPath())) { $infos = stream_get_meta_data($stream); closedir($stream); if ($infos['seekable']) { return $this->rewindable = true; } } return $this->rewindable = false; } } $r = RecursiveDirectoryIterator('./'); $r = new RecursiveIteratorIterator($r); var_dump(iterator_to_array());