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ACF posts orderby not working correct

  • Hi!

    I use ACF to get show a ranking. Every post contains a time which is a nummeric field. Now i get these posts and order them by this field (fieldname contest_endtime). Now when i get these posts the ordering is somehow random. And i dont know what to do.

    Thx for your help!

    My php

                $posts = get_posts(array(
                    'posts_per_page'	=> -1,
                    'post_type'			=> 'contest',
                    'meta_key'		=> 'contest_route', 
                     'meta_value'	=> 'route_small',
                    'orderby'			=> 'contest_endtime',
                    'order'				=> 'ASC'
                if( $posts ): ?>
                            <div class="col"><?php echo get_field("contest_endtime",get_the_ID()); ?></div>
                    <?php endforeach; ?>
                    <?php wp_reset_postdata(); ?>
                <?php endif; ?>
  • The ACF time field stores a value that looks something like this 08:14:10. Are you expecting posts to be ordered by a data and an time?

  • No the field is a nummeric field. Just normal nummeric values without any decimals or something.

  • Please provide more information about the field and how the value stored in it is generated.

  • The special thing is, the nummeric field is a field which is generated out of 2 date fields. I set the start and the endtime of the run and when i save the post (backend frontend) the field contest_endtime is calculated automatically by a function. This is saved in my functions.php:

    function save_contest_post( $post_id ) {
    	// vars
    	$fields = $_POST['acf'];
    	// get custom fields (field group exists for content_form)
    	$skipper 		= sanitize_title(get_field('contest_skipper', $post_id));
    	$yardstick		= get_field('contest_yardstick', $post_id);
    	$startdate		= get_field('contest_startdate', $post_id);
    	$starttime		= get_field('contest_starttime', $post_id);
    	$startdatetime	= $startdate .' '. $starttime;
    	$changetime 	= get_field('contest_changetime',$post_id);
    	$changedatetime	= $startdate .' '. $changetime;
    	$goaltime 		= get_field('contest_goaltime',$post_id);
    	$goaldatetime	= $startdate .' '. $goaltime;
    	$startdatetime 	= date_create_from_format('d.m.Y H:i:s', $startdatetime);
    	$changedatetime = date_create_from_format('d.m.Y H:i:s', $changedatetime);
    	$goaldatetime	= date_create_from_format('d.m.Y H:i:s', $goaldatetime);
    	$interimTime 	= ($changedatetime->getTimestamp() - $startdatetime->getTimestamp()) * $yardstick;
    	$endTime 		= ($goaldatetime->getTimestamp() - $startdatetime->getTimestamp()) * $yardstick;
    	update_field('contest_middletime', $interimTime, $post_id);
    	update_field('contest_endtime', $endTime, $post_id);
    	wp_update_post(array( 'ID' => $post_id, 'post_title' => $skipper ));
    add_action('acf/save_post', 'save_contest_post', 20);
  • Because the time that you’re using is based on a calculation and is not an exact “time” I don’t think that you can use this field to order your posts. To be honest, looking at your code I don’t even know what this value would be… a time difference multiplied by some other value. More that likely the posts are being sorted in the order of the field.

  • Yes its correct, its a time difference multyplied by a number. This is something like a handycap in golf so that different boat can start in the same competition. Why is this not working? I get the numbers into the field in wordpress, i can see them in the backend and the output fields. It should just order by these number which is a nummeric afc field.

  • I also tried with:

     $posts = get_posts(array(
            'posts_per_page' => -1,
             'post_type' => 'contest',
             'meta_key' => 'contest_endtime',
             'orderby' =>'meta_value',	          
              'order' => 'ASC'
  • Yes, in order to sort y a meta cay you need to use that field for meta_key. Should have seen this but I missed it. In order to sort by your time field but select posts based on

                    'meta_key'		=> 'contest_route', 
                     'meta_value'	=> 'route_small',

    you’re going to need to use a meta_query rather than the above for contest_route. meta_query is an array. Look at the meta_query section of

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