PHP | Imagick setLastIterator() Function

<?php

// Create a new imagick object
$imagick = new Imagick(
'https://media.geeksforgeeks.org/wp-content/uploads/geeksforgeeks-9.png');

// Add a new image to same object, this
// will automatically move index to new
// image which is added.
$imagick->addImage(new Imagick(
'https://media.geeksforgeeks.org/wp-content/uploads/20190918234528/colorize1.png'));

// Move the cursor to first image
$imagick->setFirstIterator();

echo 'Index before setLastIterator() is '
          . $imagick->getIteratorIndex() . '<br>';

// Set the Imagick iterator to the last image
$imagick->setLastIterator();

echo 'Index after setLastIterator() is '
         . $imagick->getIteratorIndex() . '<br>';
?>

<?php

// Create a new imagick object
$imagick = new Imagick();
 
// Array of images
$images = [
'https://media.geeksforgeeks.org/wp-content/uploads/geeksforgeeks-13.png',
'https://media.geeksforgeeks.org/wp-content/uploads/20190918234528/colorize1.png',
'https://media.geeksforgeeks.org/wp-content/uploads/geeksforgeeks-13.png',
'https://media.geeksforgeeks.org/wp-content/uploads/20190918234528/colorize1.png',
'https://media.geeksforgeeks.org/wp-content/uploads/geeksforgeeks-13.png'
];
 
// Read the images
$imagick->readImages($images);

// Move iterator to first image
$imagick->setFirstIterator();

echo 'Index before setLastIterator() is ' 
        . $imagick->getIteratorIndex() . '<br>';

// Set the Imagick iterator to the last image
$imagick->setLastIterator();

echo 'Index after setLastIterator() is ' 
        . $imagick->getIteratorIndex() . '<br>';
?>