How can the FilesystemIterator::SKIP_DOTS flag be utilized to skip the . and .. entries in directory scanning in PHP?

To skip the . and .. entries in directory scanning in PHP using the FilesystemIterator::SKIP_DOTS flag, you can simply set this flag when creating the FilesystemIterator object. This flag tells the iterator to skip the entries for the current directory (.) and the parent directory (..) during iteration. 

$iterator = new FilesystemIterator('/path/to/directory', FilesystemIterator::SKIP_DOTS);

foreach ($iterator as $file) {
    echo $file->getFilename() . "\n";
}

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