6 string references to the theme hook from theme_file_upload_help()

Note: this list is generated by looking for the string for this theme hook, so it may include some references that are not actually using this theme hook.

BlockHero::form in core/modules/layout/includes/block.hero.inc

Builds the block's configuration form.

file_field_widget_form in core/modules/file/file.field.inc

Implements hook_field_widget_form().

file_theme in core/modules/file/file.module

Implements hook_theme().

file_upload_validators_pre_render in core/modules/file/file.module

Pre-render callback for adding validation descriptions to file upload fields.

filter_format_editor_link_form in core/modules/filter/filter.pages.inc

Form callback: Display a form for inserting/editing a link or uploading a file.

image_field_widget_form in core/modules/image/image.field.inc

Implements hook_field_widget_form().