From d77707733f2e503a5ca16bdf298f426558bc3e19 Mon Sep 17 00:00:00 2001
From: Lukas Juhas <hello@lukasjuhas.com>
Date: Tue, 17 Jan 2017 12:25:58 +0000
Subject: [PATCH] add forgotten default value for post_id in
 get_post_thumbnail_url

---
 functions.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/functions.php b/functions.php
index 88adc02..ae1a9c5 100644
--- a/functions.php
+++ b/functions.php
@@ -181,7 +181,7 @@ add_filter('tiny_mce_before_init', 'barebones_tiny_mce_before_init');
  * @param   int       $post_id post id
  * @param   boolean   $icon    if no image found, display icon
  */
-function get_post_thumbnail_url( $size = 'full', $post_id, $icon = false )
+function get_post_thumbnail_url( $size = 'full', $post_id = false, $icon = false )
 {
     if(!$post_id) {
         $post_id = get_the_ID();