Array:
<?php
// Array
$image1 = get_field('image_1');
$size = 'medium';
$thumb1 = $image1['sizes'][ $size ];
if( !empty( $image1 ) ): ?>
<div class="photo">
<img src="<?php echo esc_url($thumb1); ?>" alt="<?php echo esc_attr($image1['alt']); ?>" />
</div>
<?php endif;
ID:
// ACF = Image ID
$image_id_1 = get_field(‚image_1‘);
if( !empty( $image_id_1 ) ): ?>
<div class=“photo“>
<?php echo wp_get_attachment_image( $image_id_1, ‚medium‘, false, array( ‚class‘ => polaroid )) ?>
</div>