admin_head_<content_func>

Fires in the admin header for each specific form tab in the legacy (pre-3.5.0) media upload popup.

Description

do_action( 'admin_head_<content_func>' ); 

The dynamic portion(s) of the hook refer to the form callback for the media upload type. Possible values include 'media_upload_type_form', media_upload_type_url_form,, and 'media_upload_library_form'.

Usage

To run the hook, copy the example below.

// run the action 
do_action( 'admin_head_{$content_func}' ); 

The following example is for adding a hook callback.

// define the admin_head_<content_func> callback 
function action_admin_head_content_func(  ) { 
    // make action magic happen here... 
}; 
         
// add the action 
add_action( "admin_head_{$content_func}", 'action_admin_head_content_func', 10, 0 ); 

To remove a hook callback, use the example below.

// remove the action 
remove_action( "admin_head_{$content_func}", 'action_admin_head_content_func', 10, 0 );