post-html-upload-ui
Action Hook: Fires after the upload button in the media upload interface.
Source: wp-admin/includes/media.php:2247
media_upload_type_url_form()
Function: Outputs the legacy media upload form for external media.
Source: wp-admin/includes/media.php:2352
post-upload-ui
Action Hook: Fires on the post upload UI screen.
Source: wp-admin/includes/media.php:2267
media_upload_gallery_form()
Function: Adds gallery form to upload iframe.
Source: wp-admin/includes/media.php:2501
media_upload_form_url
Filter Hook: Filters the media upload form action URL.
Source: wp-admin/includes/media.php:2295
type_url_form_media
Filter Hook: Filters the insert media from URL form HTML.
Source: wp-admin/includes/media.php:2481
upload_ui_over_quota
Action Hook: Fires when an upload will exceed the defined upload space quota for a network site.
Source: wp-admin/includes/media.php:2098
pre-upload-ui
Action Hook: Fires just before the legacy (pre-3.5.0) upload interface is loaded.
Source: wp-admin/includes/media.php:2107
upload_post_params
Filter Hook: Filters the media upload post parameters.
Source: wp-admin/includes/media.php:2124
plupload_init
Filter Hook: Filters the default Plupload settings.
Source: wp-admin/includes/media.php:2169