Thanks for this John, I worked this in nicely to an image slider using the Gallery field:
<div class="page-block-right slide-nav-section">
<?php
$images = get_field('gallery');
$size = 'large';
if( $images ): ?>
<?php foreach( $images as $image_id ): ?>
<input type="radio" id="<?php echo $image_id;?>" name="slider" <?php
if ($count == 0) {
echo 'checked';
}
?> >
<label for="<?php echo $image_id;?>"></label>
<div class="slide bg4"><?php echo wp_get_attachment_image( $image_id, $size ); ?></div>
<?php $count++; ?>
<?php endforeach; ?>
<?php endif; ?>
</div>
Hi, so I realised from the comments I still need to query this new field. I’ve added in the query to order posts by date with the newly created field, unfortunately to no avail. Any Ideas:
add_filter('acf/update_value/name=record', 'my_create_a_usable_field', 10, 3);
function my_create_a_usable_field($value, $post_id, $field) {
// $value will hold a nested array with the rows of the repeater
if (!is_array($value)) {
// the repeater is empty, bail early
return $value;
}
$last_row = end($value);
$date_in = $last_row['date_in'];
// now put it into a different field
// this field can be used in queries for filtering and sorting
update_post_meta($post_id, 'filterable_date_in', $date_in);
}
// args
$args = array(
'numberposts' => -1,
'post_type' => 'post',
'meta_query' => 'filterable_date_in',
'order' => 'ASC',
'orderby' => 'meta_value',
'meta_type' => 'DATETIME'
);
// query
$the_query = new WP_Query( $args);
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