apply_filters( 'editor_max_image_size', int[] $max_image_size, string|int[] $size, string $context )

Parameters

$max_image_size

(int[]) An array of width and height values.

• (int) The maximum width in pixels.
• '1'
  (int) The maximum height in pixels.

$size

(string|int[]) Requested image size. Can be any registered image size name, or an array of width and height values in pixels (in that order).

$context

(string) The context the image is being resized for. Possible values are 'display' (like in a theme) or 'edit' (like inserting into an editor).