advanced-custom-fields - Read For Learn

How to create a multidimensional array with multiple loops

I don’t think this is a restrict WordPress question, but you might try $args = array( ‘posts_per_page’ => ‘-1’, ‘post_type’ => ‘work’, ‘orderby’ => ‘ID’, ‘order’ => ‘DESC’, ); $data = array(‘work’ => array()); $loop = new WP_Query($args); if( $loop->have_posts() ): while( $loop->have_posts() ): $loop->the_post(); $id = $loop->post->ID; $attachments=array(); if(get_field(‘work’)): while(has_sub_field(‘work’)): $attachment_id = get_sub_field(‘image’); $caption … Read more

Post loop count is not in order

a) Try to initialize the $count variable before your loop: $counts=0; $loop = new WP_Query( array( ‘post_type’ => ‘focus-areas’, ‘posts_per_page’ => -1 ) ); while ( $loop->have_posts() ) : $loop->the_post(); $counts++; echo $counts; echo ” – “; endwhile; b) or use the current_post method (starts at 0) of WP_Query: $loop = new WP_Query( array( ‘post_type’ … Read more

How to Generate html tags using shortcodes?

Your shortcode is designed to print results directly on the page so it isn’t possible to first check if the output is empty before printing. However, the shortcode runs a specific function and you can use that function directly in a couple ways. Method 1: You can add some additional PHP logic to your template … Read more

Advanced custom fields – pulling data in from another page

The relationship field returns an array of post objects. Each post object contains the ID of the related post. The ACF field functions accept a second parameter, which is the post ID you want to retrieve data from, if it is not the current post. if( $related_pages = get_field( ‘data’ ) ): foreach( $related_pages as … Read more

Validating custom fields before post save

In my experience, the only way to check the values of the fields is by directly accessing the $_POST vars: if( ( isset( $_POST[‘upload_image’] ) && !empty( $_POST[‘upload_image’] ) )

Display total unique custon field results

You could do this with a SQL query via the wpdb class: $query = “SELECT COUNT( DISTINCT meta_value ) FROM $wpdb->postmeta WHERE meta_key = ‘city'”; $unique_cities = $wpdb->get_var( $query ); echo ‘Total number of cities: ‘ . $unique_cities;

If/Else Statement for Advanced Custom Fields

<?php if( get_field(‘parent_repeater’) ) : while( has_sub_field(‘parent_repeater’) ) : $some_bool = get_sub_field(‘true’); $sf1 = get_sub_field(‘sub_field_1’); $sf2 = get_sub_field(‘sub_field_2’); if( $some_bool == true ){ echo $sf1 . $sf2; } else { echo $sf1; } endwhile; endif; ?> You must use the non-echoing version of the function. Use the get version. Also, I advise you to use … Read more

Advanced Custom Fields if else issue

My guess is that your problem is that your field type is returning some non-empty value, even if it’s not a URL. For instance, do you have “http://” set as a default value for that field in the admin? If that were the case you could need to use the following as your test: if( … Read more

Outputing Post Object title as a div class with ACF

Looks like you’re missing the $page->ID from the get_field function. $ancestors = get_field(‘ancestor’, $page->ID);

Basic do shortcodes question

the_field() is an ACF function and will echo content. It follows the WordPress (somewhat) pattern whereby functions with the_ at the front will echo content and functions beginning with get_ return content. Displays the value of the specified field. (this is the same as “echo get_field($field_name)”) http://www.advancedcustomfields.com/resources/functions/the_field/ Using the wrong function, as you have, will … Read more

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