PHP | ImagickPixelIterator getIteratorRow() function

<?php
// Create a new imagick object
$imagick = new Imagick(
    'https://media.geeksforgeeks.org/wp-content/uploads/geeksforgeeks-13.png');

// Get the pixel iterator
$pixelIterator = $imagick->getPixelIterator();

// Get the current iterator row
echo "Current row is " . $pixelIterator->getIteratorRow();
?>

<?php
// Create a new imagick object
$imagick = new Imagick(
    'https://media.geeksforgeeks.org/wp-content/uploads/geeksforgeeks-13.png');


// Get the pixel iterator
$pixelIterator = $imagick->getPixelIterator();

// Set the pixel iterator to 30
$pixelIterator->setIteratorRow(30);

// Get the current iterator row
echo "Current row is " . $pixelIterator->getIteratorRow();
?>

<?php
// Create a new imagick object
$imagick = new Imagick();

// Create a image on imagick object with size of 10x10 pixels
$imagick->newImage(10, 10, 'black');

// Get the pixel iterator
$imageIterator = $imagick->getPixelIterator();

// Loop through pixel rows
foreach ($imageIterator as $row => $pixels) {

   // Get the current iterator row
   echo "Current row is " . $imageIterator->getIteratorRow() . '<br>';

}
?>