media_upload_default_type
Filter Hook: Filters the default media upload type in the legacy (pre-3.5.0) media popup.
Source: wp-admin/media-upload.php:63
media_upload_default_tab
Filter Hook: Filters the default tab in the legacy (pre-3.5.0) media popup.
Source: wp-admin/media-upload.php:77
media_upload_{$type}
Action Hook: Fires inside specific upload-type views in the legacy (pre-3.5.0) media popup based on the current tab.
Source: wp-admin/media-upload.php:98
media_upload_{$tab}
Action Hook: Fires inside limited and specific upload-tab views in the legacy (pre-3.5.0) media popup.
Source: wp-admin/media-upload.php:110