Using WordPress ‘image_get_intermediate_size()’ PHP function
Retrieves the image’s intermediate size (resized) path, width, and height.
WordPress
Using WordPress ‘image_attachment_fields_to_edit()’ PHP function
Retrieves the image attachment fields to edit form fields.
Using WordPress ‘iis7_save_url_rewrite_rules()’ PHP function
Updates the IIS web.config file with the current rules if it is writable.
Using WordPress ‘iframe_header()’ PHP function
The `iframe_header()` is a WordPress function that generates a generic iframe header for use with Thickbox, allowing you to create custom headers with titles and parameters