custom-field - Read For Learn

Only display custom field if it there is a value inside

use empty function to check if the return value is empty or not: <?php if ( function_exists(‘get_custom_field_value’) ): $custom_field_value = get_custom_field_value(‘Essential info 5′, true); if(!empty($custom_field_value)): ?> <li><span> <?php echo $custom_field_value; ?> </span></li> <?php endif; endif; ?> also check if the function ‘get_custom_field_value’ is returning with echo statement, you may need to change that to just … Read more

ajax delete value from custom field array

Try this: function delete_attachment() { $id = $_POST[‘att_ID’]; // the attachment ID // Deletes the attachment (and all of its custom fields or meta data; e.g. // `photo_order`). The `true` bypasses the trash. $att = wp_delete_attachment( $id, true ); // Deletes all custom fields named `vid_pix` where the value (`meta_value`) // is the attachment ID … Read more

limit amount of photos uploaded per cpt post

You can do it like so — refer to the // {comment}: if (isset($_POST[“savepics2”])) { // Set max number of files allowed. $max_files = 25; $attachments = get_children( array( ‘post_parent’ => $v_Id ) ); $count = count( $attachments ); // Check if limit already reached. if ($count >= $max_files) { echo ‘limit reached’; // If … Read more

Cannot edit post meta fields with rest API

copy attachments to another post type and change attachment url

If you want the image’s URL to be different, you need to first copy the image file to the user-specific folder and then create a new attachment for that copied image — i.e. clone the image’s “post” data. So replace this: // Get the attachments (IDs) attached to the `property` CPT. $prop_att_ids = (array) get_post_meta( … Read more

automatically set “Featured Image” the same as the og:i that is set in a custom field

Create custom field key upon theme activation

Those values are populated from the unique keys in the *_postmeta table, excluding keys that begin with an underscore (_). If you want to pre-populate that key the add a value to the table under post ID 0. There is no way to pre-populate those that I am aware of besides to add a dummy … Read more

Localized Date Format for Custom Field

actually I found the answer right after posting: date_i18n(get_option(‘date_format’) ,$timestamp); it was in an example here

Adding a prefix to a post title

There are probably a few ways to handle this. Here’s one way using a checkbox to enable the prefix for individual posts, and a filter on the_title to add the prefix whenever the_title() is called for those posts. 1. Add a meta box for an on/off checkbox a. Add the meta box to the post … Read more

use get_posts to get custom field data, but in one array

You can alter your foreach loop as following to get concert date and city pair in single multidimentional array as following. $concert_query = array(); $i = 0; foreach($c_query as $post) : setup_postdata($post); $concert_query[$i][‘concert_date’] = get_post_meta(get_the_ID(), ‘concert_date’, true); $concert_query[$i][‘concert_city’] = get_post_meta(get_the_ID(), ‘concert_city’, true); $i ++; endforeach; print_r($concert_query);

+ More