What is the significance of the DirectoryIterator function in PHP when dealing with folders and subfolders?

The DirectoryIterator function in PHP is significant when dealing with folders and subfolders as it allows you to iterate over the contents of a directory, including subdirectories. This can be useful for tasks such as listing all files in a directory, recursively searching for specific files, or performing operations on each file within a directory structure. 

$dir = new DirectoryIterator('/path/to/directory');

foreach ($dir as $file) {
    if (!$file->isDot()) {
        if ($file->isDir()) {
            // handle subdirectory
        } else {
            // handle file
        }
    }
}

Keywords

DirectoryIterator PHP folders subfolders function

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