What is WordPress Hook: wp_get_missing_image_subsizes
The wp_get_missing_image_subsizes hook is a specific WordPress hook that is used to retrieve any missing image sizes for a particular attachment.
Understanding the Hook: wp_get_missing_image_subsizes
This hook is located within the wp_get_missing_image_subsizes function in the WordPress core. It is typically used to check for any missing image sizes for an attachment and generate them if they do not exist.
Hook Parameters (if applicable): wp_get_missing_image_subsizes
The wp_get_missing_image_subsizes hook does not accept any arguments or parameters.
Hook Doesn’t Work: wp_get_missing_image_subsizes
If the wp_get_missing_image_subsizes hook is not working as expected, it could be due to a conflict with another plugin or theme function. It is recommended to deactivate other plugins and switch to a default theme to troubleshoot the issue.
Best Practices & Usage Notes (if applicable): wp_get_missing_image_subsizes
When using the wp_get_missing_image_subsizes hook, it is important to note that it is primarily intended for developers who are creating custom image sizes for WordPress attachments. It is best practice to use this hook within a custom function to ensure that it is only applied when needed.
Usage Example: wp_get_missing_image_subsizes
“`php
function custom_image_sizes() {
$attachment_id = 10; // Replace with the ID of the attachment
wp_get_missing_image_subsizes($attachment_id);
}
add_action(‘init’, ‘custom_image_sizes’);
“`
