pre-plupload-upload-ui
Action Hook: Fires before the upload interface loads.
Source: wp-admin/includes/media.php:2199
post-plupload-upload-ui
Action Hook: Fires after the upload interface loads.
Source: wp-admin/includes/media.php:2215
pre-html-upload-ui
Action Hook: Fires before the upload button in the media upload interface.
Source: wp-admin/includes/media.php:2226
post-html-upload-ui
Action Hook: Fires after the upload button in the media upload interface.
Source: wp-admin/includes/media.php:2247
post-upload-ui
Action Hook: Fires on the post upload UI screen.
Source: wp-admin/includes/media.php:2267
media_upload_type_form()
Function: Outputs the legacy media upload form for a given media type.
Source: wp-admin/includes/media.php:2279
media_upload_form_url
Filter Hook: Filters the media upload form action URL.
Source: wp-admin/includes/media.php:2295
media_upload_type_url_form()
Function: Outputs the legacy media upload form for external media.
Source: wp-admin/includes/media.php:2352
type_url_form_media
Filter Hook: Filters the insert media from URL form HTML.
Source: wp-admin/includes/media.php:2481
media_upload_gallery_form()
Function: Adds gallery form to upload iframe.
Source: wp-admin/includes/media.php:2501