advanced-custom-fields - Read For Learn

ACF Custom validation message not showing up

Add this snippet and check according to your needed. add_action(‘acf/validate_save_post’, ‘my_acf_validate_save_post’); function my_acf_validate_save_post() { $start = $_POST[‘acf’][‘field_5fb0e816ea4fc’]; //$start = new DateTime($start); $start = strtotime($start); $end = $_POST[‘acf’][‘field_5fb0e83aea4fd’]; //$end = new DateTime($end); $end = strtotime($end); if( current_user_can(‘manage_options’) ) { acf_reset_validation_errors(); } // check custom $_POST data if ($start > $end ) { acf_add_validation_error($_POST[‘acf’][‘field-600e609de8ab8’], ‘End Date should … Read more

Multiple ACF Repeaters within a Custom Post Type

You’ve mixed a few things up in your template The opening repeater field for example you have called garden_tips after the name of the ACF Field Group instead of the name of the repeater Eg: therefore you need to remove that and the closing <?php endif; ?> which related to it further down the template. … Read more

Trouble With Conditional Logic in PHP

Did you tried dumping the value of $carousel_image For image field to return Array, return_type must be set to array https://www.advancedcustomfields.com/resources/register-fields-via-php/#field-type%20settings /* (string) Specify the type of value returned by get_field(). Defaults to ‘array’. Choices of ‘array’ (Image Array), ‘url’ (Image URL) or ‘id’ (Image ID) */ ‘return_format’ => ‘array’, Also what’s the use of … Read more

How to display Custom Post Type Post based on Tag with Shortcode Parameter?

This is an answer that depending on how you ultimately configure things – should get you where you want to go. In your question, you had posts_per_page as 1. If you only want 1 result, then that’s fine. If not… modify as shown. You also didn’t initialize the concatenated string $return_string and finally you put … Read more

How To Fix WP Query Returns Results But Shouldn’t?

Couple of things to consider here: 1.) Try adding the meta query only if the value is present: $pairedThing = get_field(‘myThing’); $args = [ ‘posts_per_page’ => 2, ‘post_type’ => ‘thing’, ]; if ( ! empty( $pairedThing ) ) { $args[‘meta_key’] = ‘identifier’; $args[‘meta_value’] = $pairedThing; } 2.) Account for posts without the meta-key set: $pairedThing … Read more

ACF: How to get the full field name (meta_key) by a field key?

There’s a few ways to achieve this but here’s one which supports an unknown depth of children, for example where you have nested groups within groups. Given the field key “field_{some_hash}” of the field, this function will retrieve the field, and its parent most field, and so on until we reach the top of the … Read more

Display post in order of ACF checkbox?

Given that this order you desire is unfortunately not alphabetical (although that wouldn’t be very scaleable… but it would be handy). You might make life easier on yourself by adding another custom field called (say) “display_order”. Then add the numbers 1,2 and 3 to that field, and then query the post type ordering by these … Read more

list/consult Taxonomy only for the respective author/creator in dashbboard

The WP_Term_Query class doesn’t have a method named set, and calling $query->set() in my case resulted in a fatal/critical error saying “Call to undefined method WP_Term_Query::set()“. :/ But you can directly modify the query_vars property (i.e. $query->query_vars), like so, to set, unset or override any query variables like meta_query: // Use this: $query->query_vars[‘meta_query’] = $meta_query; … Read more

How can I track and output when a field is updated? (currently using Advanced Custom Fields)

You can use the acf_update_value filter to set a post meta value whenever the field is updated. Here’s an example for a field named test_field. Check if the current field is test_field, then get its old value and compare it to the new value. If it has been updated, update a post meta field named … Read more

Advanced custom fields sort repeater by date

I think this is not possible with the API functions provided by ACF. I would try to save the values to a temporary array first and then sort the values inside the array with php (using krsort() for example). Something like this (just to give an idea): while(has_sub_field(‘in_the_news’)) { $date = get_sub_field(‘published_date’); // $date = … Read more

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