Upload the Original Image and the Thumbnail
Code
Filename: gpml-upload-the-original-image-and-thumbnail.php
<?php
/**
* Gravity Perks // Media Library // Upload the Original Image and the Thumbnail
* https://gravitywiz.com/documentation/gravity-forms-media-library/
*/
add_filter( 'gpml_image_sizes', function ( $sizes ) {
// Removing the “thumbnail” will only upload the original image.
return array( 'thumbnail' );
} );