wp-admin/includes/media.php:1119Retrieves the legacy media uploader form in an iframe.
string|nullfunction media_upload_gallery() { $errors = array(); if ( ! empty( $_POST ) ) { $return = media_upload_form_handler(); if ( is_string( $return ) ) { return $return; } if ( is_array( $return ) ) { $errors = $return; } } wp_enqueue_script( 'admin-gallery' ); return wp_iframe( 'media_upload_gallery_form', $errors );}Introduced in 2.5.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-admin/includes/media.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.