Edd Download Image Watermark - PNG image quality

edd-img-wtm-png-quality.php

<?php
/**
 * Function to handle the download image png quality
 * Note : Value should be numeric and bettween 0 to 9
 * 
 * @param int $quality
 * @return $quality
 */
function edd_img_wtm_png_quality( $quality ) {
	
	$quality = 6;
	
	return $quality;
}
add_filter( 'edd_img_wtm_png_quality', 'edd_img_wtm_png_quality' );