[Plugin: WP Publication Archive] display filesize

I want to display my downloads other than it’s in the original code, so I missed the filesize, so I added a new function to the plugin, maybe it will help you. (You have to make a copy of the plugin to not overwrite it on updates.) This will only work correct if your are only using internal documents.

open class.publication-markup.php and add

public function get_the_reallink() {
		$uri = apply_filters( 'wpa-uri', $this->uri, $this->ID );
		$uri = str_replace('|', '://', $uri);
		return $uri;
	}

	public function get_the_size() {
		clearstatcaches;
		$uri = $this->get_the_reallink();
		$uri = str_replace(get_option('home'), $_SERVER['DOCUMENT_ROOT'], $uri, $count);
		if ($count = 0) {
			$uri = str_replace(get_option('home'), $_SERVER['DOCUMENT_ROOT'], $uri);
		}
		return $this->format_bytes(filesize($uri));
	}

	private function format_bytes($a_bytes) {
		if ($a_bytes < 1024) {
        	return number_format ($a_bytes , 2, ',', '.') .' B';
    	} elseif ($a_bytes < 1048576) {
        	return number_format (round($a_bytes / 1024, 2) , 2, ',', '.') .' KiB';
    	} elseif ($a_bytes < 1073741824) {
        	return number_format (round($a_bytes / 1048576, 2) , 2, ',', '.') . ' MiB';
    	} else {
        	return number_format (round($a_bytes / 1073741824, 2) , 2, ',', '.') . ' GiB';
    	}
	}

open class.wp-publication-archive.php and edit the function shortcode_handler to display the filesize