apply_filters( 'attachment_thumbnail_args', array $image_attachment, array $metadata, array $uploaded )

Parameters

$image_attachment

(array) An array of parameters to create the thumbnail.

$metadata

(array) Current attachment metadata.

$uploaded

(array) Information about the newly-uploaded file.

• 'file'
  (string) Filename of the newly-uploaded file.
• 'url'
  (string) URL of the uploaded file.
• 'type'
  (string) File type.