PHP | DirectoryIterator current() 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()) {

        // Store the current element
        $file = $directory->current();

        // Display the filename
        echo $file->getFilename() . "<br>";
    }

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

<?php

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

// Loop runs for each element of directory
foreach($directory as $dir) {
    
    // Store the current element
    $file = $directory->current();
    
    // Display the key and filename
    echo $dir->key() . " => " . 
        $file->getFilename() . "<br>";
}
?>