How does ACF format values in a field?
This allows ACF to connect a value with its field. ACF does this so it can format values when loaded based of the field type and settings. For example, the image field contains a setting to return an array of image data instead of the attachment ID.
How to update the post ID in ACF?
$post_id (mixed) (Optional) The post ID where the value is saved. Defaults to the current post. (bool) True on successful update, false on failure. This example shows how to update the value of a field called ‘views’ on the current post being viewed.
Which is an example of ACF in Photoshop?
ACF does this so it can format values when loaded based of the field type and settings. For example, the image field contains a setting to return an array of image data instead of the attachment ID. This example shows a variety of $post_id values to update a value from a post, user, term and option. Saving values to a new post.
When to use ACF or native post meta?
All values are saved as native post_meta (when saved to a post) and although you can use the native WP function get_post_meta (), it is better practice to use the relevant ACF function such as get_field (). Why? Because ACF will format the value depending on the field type and make development quicker and easier!
How to add a JS file to a ACF field?
To include a JS file within the dashboard, you can make use of the wp_enqueue_script function like so. To append inline JS within the dashboard, you can make use of the acf/input/admin_footer action. This action is run in the footer of any admin page where ACF fields may exist. Below is a list of all available JS actions.
What kind of JavaScript is used in ACF?
By default, ACF includes the Select2 v3 library which requires a hidden input to be used for Select2 initialization. It is possible to include the Select2 v4 library, and if so, the $input arg will supply a ‘select’ element instead of a hidden input due to changes in the library.