PHP | DirectoryIterator isDir() Function

<?php

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

// Loop runs while directory is valid
while ($directory->valid()) {

    // Check for directory element
    if ($directory->isDir()) {
        $file = $directory->current();

        // Display the filename and its size
        echo $file->getFilename() . " | Size: "
                . $directory->getSize() . "<br>";
    }

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

?>

<?php

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

// Loop runs while directory is valid
while ($directory->valid()) {

    // Check for directory element
    if ($directory->isDir()) {
        $file = $directory->current();

        // Display file name and last modified time
        echo $file->getFilename() . " | MTime: "
                . $directory->getMTime() . "<br>";
    }

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