int $threshold, array $imagesize, string $file, int $attachment_id )
Filters the “BIG image” threshold value.
If the original image width or height is above the threshold, it will be scaled down. The threshold is used as max width and max height. The scaled down image will be used as the largest available size, including the
_wp_attached_file post meta value.
false from the filter callback will disable the scaling.
The threshold value in pixels. Default 2560.
Indexed array of the image width and height in pixels.
- intThe image width.
1intThe image height.
Full path to the uploaded image file.
Attachment post ID.
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$threshold = (int) apply_filters( 'big_image_size_threshold', 2560, $imagesize, $file, $attachment_id );