问题:

how can i retrieve the full directory tree using SPL ?

回答1:

By default, the RecursiveIteratorIterator will use LEAVES_ONLY for the second argument to __construct. This means it will return files only. If you want to include files and directories (at least that's what I'd consider a full directory tree), you'd have to do:

$iterator = new RecursiveIteratorIterator(     new RecursiveDirectoryIterator($path),     RecursiveIteratorIterator::SELF_FIRST );

and then you can foreach over it. If you want to return the directory tree instead of outputting it, you can store it in an array, e.g.

foreach ($iterator as $fileObject) {     $files[] = $fileObject;     // or if you only want the filenames     $files[] = $fileObject->getPathname(); }

You can also create the array of $fileObjects without the foreach by doing:

$files[] = iterator_to_array($iterator);

If you only want directories returned, foreach over the $iterator like this:

foreach ($iterator as $fileObject) {     if ($fileObject->isDir()) {         $files[] = $fileObject;     } }

回答2:

You can just, or do everythng that you want

foreach(new RecursiveIteratorIterator(new RecursiveDirectoryIterator($path)) as $file) {     /* @var $file SplFileInfo */     //... }

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