From dbd0f508a70fbf8e86de47f1ccad41e5c317bd1e Mon Sep 17 00:00:00 2001
From: Konstantinos Galanakis <kmgalanakis@gmail.com>
Date: Thu, 16 May 2024 16:47:42 +0300
Subject: [PATCH] Prevent fatal error when filtered block categories array is
 null.

---
 includes/blocks.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/includes/blocks.php b/includes/blocks.php
index e87f3042..fd2f9f00 100644
--- a/includes/blocks.php
+++ b/includes/blocks.php
@@ -43,6 +43,10 @@ function register_blocks() {
  * @return array Filtered categories.
  */
 function blocks_categories( $categories ) {
+	if ( ! is_array( $categories ) ) {
+		$categories = [];
+	}
+
 	return array_merge(
 		$categories,
 		array(