Reply To: Using get_field to set a variable with values from a user

• langton82

• March 14, 2016 at 8:16 pm

Done it. I needed to use .= not just = in order to concatenate (add) the strings to the variable ($value) and not replace them on each loop.

Here’s the successful code:

<?php
$args = array( // Get all posts of a certain type and category, by the logged in user.
  'post_type' => 'wglocations',
  'post_per_page' => -1,
  'category_name' => 'wg-release',
  'author' => $current_user->ID,
);
$query = new WP_Query($args);
foreach ($query->posts as $post) {
  $value .= get_field('ring_numbers') . ', '; // This puts all the ring_numbers fields into one long string, separated by commas.
  $values = str_replace(' ', '', $ring_numbers);
  $ring_numbers = array_merge($ring_numbers, explode(',', $value));
}
			
$args = array( // We then get all posts of a certain type and category from all users...
  'post_type' => 'wglocations',
  'posts_per_page' => -1,
  'category_name' => 'wg-finding',
  'meta_query' => array ( // ... and compare them to the $value variable produced above.
    array (
      'key' => 'leg_ring_number',
      'value' => $value,
      'compare' => 'IN',
    )
  )
);
$query = new WP_Query ($args); // Output any matching entries
	if ( $query -> have_posts() ) : ?>
	<div class="boxhighlight">
		<h2>Matching Finds</h2>
		<p><em>The following released bird(s) have been found. Click on the link(s) below for more information.</em></p>
		<ul>
		<?php while ($query -> have_posts () ) : $query->the_post(); ?>
			<li><a href="<?php the_permalink() ?>"><?php the_field('leg_ring_number') ?> (<?php the_field('date') ?>)</a></li>
		<?php endwhile; ?>
		</ul>
	</div>
	<?php endif; 
wp_reset_postdata(); ?>

Hope this is of help to anyone else looking for a similar solution. If there’s a cleaner way of getting the same result I’d be keen to see it.

Thanks particularly to John Huebner for all his kind and generous help on this.