Filters the legacy (pre-3.5.0) media buttons.
admin_head_{$content_func}
Fires in the admin header for each specific form tab in the legacy (pre-3.5.0) media upload popup.
admin_head-media-upload-popup
Fires when scripts enqueued for the admin header for the legacy (pre-3.5.0) media upload popup are printed.
admin_print_scripts-media-upload-popup
Fires when admin scripts enqueued for the legacy (pre-3.5.0) media upload popup are printed.
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admin_print_styles-media-upload-popup
Fires when admin styles enqueued for the legacy (pre-3.5.0) media upload popup are printed.
image_add_caption_shortcode
Filters the image HTML markup including the caption shortcode.
disable_captions
This filter is documented in wp-admin/includes/media.php
image_add_caption_text
Filters the caption text.
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image_send_to_editor
Filters the image HTML markup to send to the editor when inserting an image.
media_upload_tabs
This filter is documented in wp-admin/includes/media.php
load_image_to_edit_path
Filters the returned path or URL of the current image.
load_image_to_edit_attachmenturl
Filters the image URL if not in the local filesystem.
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load_image_to_edit_filesystempath
Filters the path to the current image.
load_image_to_edit
Filters the current image being loaded for editing.
file_is_displayable_image
Filters whether the current image is displayable in the browser.