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
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
get_media_item()
Function: Retrieves HTML form for modifying the image attachment.
Source: wp-admin/includes/media.php:1538