Adds the iframe to display content for the media upload page
media_handle_sideload
Handles a side-loaded file in the same way as an uploaded file is handled by media_handle_upload().
media_handle_upload
Save a file submitted from a POST request and create an attachment post for it.
media_send_to_editor
Adds image html to editor
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image_add_caption_shortcode
Filters the image HTML markup including the caption shortcode.
_cleanup_image_add_caption
Private preg_replace callback used in image_add_caption()
image_add_caption_text
Filters the caption text.
image_add_caption
Adds image shortcode with caption to editor
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image_send_to_editor
Filters the image HTML markup to send to the editor when inserting an image.
get_image_send_to_editor
Retrieves the image HTML to send to the editor.
the_media_upload_tabs
Outputs the legacy media upload tabs UI.
update_gallery_tab
Adds the gallery tab back to the tabs array if post has image attachments
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media_upload_tabs
Defines the default media upload tabs