do_action( "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

The dynamic portion of the hook, $content_func, refers 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’.

Source

File: wp-admin/includes/media.php

View on Trac

Used By

Used By Description
wp-admin/includes/media.php: wp_iframe()

Outputs the iframe to display the media upload page.

Changelog

Version Description
2.5.0 Introduced.

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Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/hooks/admin_head_content_func