From c1b1ec03a224192100e562f89225d4a919ac8187 Mon Sep 17 00:00:00 2001
From: Juerg Hunziker <juerg.hunziker@liip.ch>
Date: Thu, 31 May 2018 13:12:26 +0200
Subject: [PATCH] fetch image meta if not passed

---
 src/class-rokka-helper.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/class-rokka-helper.php b/src/class-rokka-helper.php
index 46d27ab..8052bc0 100644
--- a/src/class-rokka-helper.php
+++ b/src/class-rokka-helper.php
@@ -853,6 +853,10 @@ public function get_size_by_image_name( $image_id, $image_name, $image_meta = ar
 	 * @return string
 	 */
 	public function get_size_by_image_url( $image_id, $image_url, $image_meta = array() ) {
+		if ( empty( $image_meta ) ) {
+			$image_meta = wp_get_attachment_metadata( $image_id );
+		}
+
 		$last_slash_pos = strrpos( $image_url, '/' );
 
 		if ( false === $last_slash_pos ) {