From 764f657935b890c907ee402b5dc6d2359f149b4f Mon Sep 17 00:00:00 2001
From: Sam Najian <sam.najian@automattic.com>
Date: Thu, 9 Jun 2022 20:48:26 +0200
Subject: [PATCH] Make sure Heading block parameters are defined before setting

[MAILPOET-4411]
---
 mailpoet/lib/Form/Block/Heading.php | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/mailpoet/lib/Form/Block/Heading.php b/mailpoet/lib/Form/Block/Heading.php
index 2325d33e6a..c0d6b0b8fd 100644
--- a/mailpoet/lib/Form/Block/Heading.php
+++ b/mailpoet/lib/Form/Block/Heading.php
@@ -42,7 +42,7 @@ class Heading {
     if ($classes) {
       $result[] = $classes;
     }
-    if (isset($block['params']['anchor'])) {
+    if (!empty($block['params']['anchor'])) {
       $result[] = $this->renderAnchor($block);
     }
     $styles = $this->renderStyle($block);
@@ -86,10 +86,10 @@ class Heading {
 
   private function renderStyle(array $block): string {
     $styles = [];
-    if (isset($block['params']['align'])) {
+    if (!empty($block['params']['align'])) {
       $styles[] = 'text-align: ' . $block['params']['align'];
     }
-    if (isset($block['params']['text_color'])) {
+    if (!empty($block['params']['text_color'])) {
       $styles[] = 'color: ' . $block['params']['text_color'];
     }
     if (!empty($block['params']['font_size'])) {