What is WordPress Hook: attachment_fields_to_edit
The attachment_fields_to_edit hook in WordPress is used to modify the fields displayed in the attachment details modal when editing media files within the media library. This hook allows developers to add, remove, or modify fields such as title, caption, alt text, and description.
Understanding the Hook: attachment_fields_to_edit
The attachment_fields_to_edit hook is located within the media.php file in the wp-admin directory. It is called within the media modal when editing attachment details, allowing developers to customize the fields and their behavior.
Hook Parameters (if applicable): attachment_fields_to_edit
The attachment_fields_to_edit hook accepts two parameters: $form_fields and $post. The $form_fields parameter is an array of fields to be displayed and edited, while the $post parameter is the attachment post object.
Hook Doesn’t Work: attachment_fields_to_edit
If the attachment_fields_to_edit hook doesn’t work as expected, it may be due to conflicts with other plugins or themes that modify the media modal. It is recommended to deactivate other plugins and switch to a default theme to troubleshoot the issue.
Best Practices & Usage Notes (if applicable): attachment_fields_to_edit
When using the attachment_fields_to_edit hook, it is important to consider the impact on user experience and the overall functionality of the media library. It is best practice to only modify fields when necessary and to ensure compatibility with other plugins and themes.
Usage Example: attachment_fields_to_edit
“`php
function custom_attachment_fields_to_edit($form_fields, $post) {
// Add custom field to the attachment details modal
$form_fields[‘custom_field’] = array(
‘label’ => ‘Custom Field’,
‘input’ => ‘text’,
‘value’ => get_post_meta($post->ID, ‘custom_field’, true),
‘helps’ => ‘Enter custom field value here’
);
return $form_fields;
}
add_filter(‘attachment_fields_to_edit’, ‘custom_attachment_fields_to_edit’, 10, 2);
“`