Cracked it!
$images = array(
'Apple' => get_template_directory_uri(). '/dist/images/media/image-01.png',
'Orange' => get_template_directory_uri(). '/dist/images/media/image-02.png',
'Pear' => get_template_directory_uri(). '/dist/images/media/image-02.png',
);
$values = get_field('codes');
foreach ($values as $value) {
?>
<img src="<?php echo $images[$value] ?>" alt="">
<?php
}
Thanks for you help John! 🙂