I have [gallery] inside the post, and I'm interested in a way to add already existing images from media library in to this gallery? once I trying add any image I have only one option - insert into post.

Thanks in advance, Dmitry

1 Answer 1


By default, you can't. Galleries are tied to posts, and only to posts.


  1. Insert the gallery from any arbitrary post, via [gallery id="123"] where 123 is the ID of the post.
  2. Create a custom filter for the gallery filter hook, whereby you query/include the images that you want, perhaps by some post custom metadata (that you would also have to create)
  3. Insert images individually, rather than as a gallery
  4. Duplicate the images by uploading/attaching them also to the new post, so that they can be output via [gallery]

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