The ALT and title field is not displayed.

Please show me the code you are using

<?php
$ido = get_the_ID();

$post = get_post($ido);
$slug = $post->post_name;

$images = acf_photo_gallery(‘galeria’, $post->ID);
$thumbnail_id = get_post_thumbnail_id( $post->ID );
$alt = get_post_meta($thumbnail_id, ‘_wp_attachment_image_alt’, true);
?>
<div class=”galeria-biografia swiper-container”>
<div class=”swiper-wrapper”>
<div class=”swiper-slide”>
<div class=”thumbnail”>” data-caption=”<?php echo $alt;?>” data-fancybox=”gallery-<?php echo $slug; ?>” > <?php echo get_the_post_thumbnail($ido,’thumbnail’,$attr); ?>

</div></div>
<?php foreach( $images as $image ):

$id = $image[‘id’];
$alt = get_field(‘photo_gallery_alt’, $id); //Get the alt which is a extra field (See below how to add extra fields)
$class = get_field(‘photo_gallery_class’, $id);
$full_image_url= $image[‘full_image_url’]; //Full size image url
$full_image_url2 = acf_photo_gallery_resize_image($full_image_url, 150, 150); //Resized size to 262px width by 160px height image url
?>
<div class=”swiper-slide”>
<div class=”thumbnail”>
” data-caption=”<?php echo $alt;?>” data-fancybox=”gallery-<?php echo $slug; ?>”>
” alt=”<?php echo $title; ?>” title=”<?php echo $title; ?>”>

</div>

</div>
<?php endforeach; ?>
</div>
<!– If we need pagination –>
<div class=”swiper-pagination”></div>

<!– If we need navigation buttons –>
<div class=”swiper-button-prev”></div>
<div class=”swiper-button-next”></div>
</div>
<?php // ?>

<?php
$ido = get_the_ID();

$post = get_post($ido); 
$slug = $post->post_name;

 $images = acf_photo_gallery('galeria', $post->ID);
$thumbnail_id = get_post_thumbnail_id( $post->ID );
$alt = get_post_meta($thumbnail_id, '_wp_attachment_image_alt', true);
 ?>
    <div class="galeria-biografia swiper-container">
<div class="swiper-wrapper">
 <div class="swiper-slide">
 <div class="thumbnail"><a href="<?php the_post_thumbnail_url($ido,'medium'); ?>"  data-caption="<?php echo $alt;?>" data-fancybox="gallery-<?php echo $slug; ?>" > <?php echo get_the_post_thumbnail($ido,'thumbnail',$attr); ?>
	
</a></div></div>
        <?php foreach( $images as $image ): 

$id = $image['id'];
$alt = get_field('photo_gallery_alt', $id); //Get the alt which is a extra field (See below how to add extra fields)
            $class = get_field('photo_gallery_class', $id); 
$full_image_url= $image['full_image_url']; //Full size image url
            $full_image_url2 = acf_photo_gallery_resize_image($full_image_url, 150, 150); //Resized size to 262px width by 160px height image url
?>
             <div class="swiper-slide">
 <div class="thumbnail">
<a href="<?php echo $full_image_url; ?>" data-caption="<?php echo $alt;?>" data-fancybox="gallery-<?php echo $slug; ?>">
            <img src="<?php echo $full_image_url2; ?>" alt="<?php echo $title; ?>" title="<?php echo $title; ?>"></a>
     
    </div>

 
            </div>
        <?php endforeach; ?>
    </div>
 <!-- If we need pagination -->
    <div class="swiper-pagination"></div>

    <!-- If we need navigation buttons -->
    <div class="swiper-button-prev"></div>
    <div class="swiper-button-next"></div>
 </div>
<?php // ?>