Easy Digital Downloads - show dimensions of image

gistfile1.php

<?php

function sumobi_edd_get_download_file_dimensions() {

	$download_files = edd_get_download_files( get_the_ID() );

	if ( $download_files ) {
		foreach ( $download_files as $file ) {
			$attachment_id = $file['attachment_id'];

			$image = wp_get_attachment_image_src( $attachment_id, 'full' );

			$width = $image[1];
			$height = $image[2];
			echo 'Dimensions: ' . $width . 'px x ' . $height . 'px';

		}
	}
	
}