PHP | DirectoryIterator rewind() Function

<?php

// Create a directory Iterator
$directory = new DirectoryIterator(dirname(__FILE__));

// Loop runs while directory is valid
while ($directory->valid()) {
    
    // Check the element is directory
    if($directory->isDir()) {

        // Display the key and file name
        echo $directory->key() . " => " . 
        $directory->getFilename() . "<br>";
    }

    // Move to the next element
    $directory->next();
}

// Use rewind() function to move to
// the start position
$directory->rewind();

// Display the key and file name
echo $directory->key() . " => " . 
        $directory->getFilename();

?>

<?php

// Create a directory Iterator
$directory = new DirectoryIterator(dirname(__FILE__));

// Loop runs for each element of directory
foreach($directory as $dir) {

    // Display key and file name
    echo $dir->key() . " => " . 
    $dir->getFilename() . "<br>";
}

// Use rewind() function to move to
// the start position
$directory->rewind();

// Display key and file name
echo $directory->key() . " => " . 
        $directory->getFilename();

?>