From d82f06b105acaed76d5bdb9530a7b6aeb8fceb16 Mon Sep 17 00:00:00 2001
From: Alec Geatches <alec.geatches@automattic.com>
Date: Tue, 10 Sep 2024 11:11:11 -0600
Subject: [PATCH] Type check for array to fix PHP 8.1 error in content parser

---
 src/parser/content-parser.php | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/parser/content-parser.php b/src/parser/content-parser.php
index 3ee1211..c5c4e94 100644
--- a/src/parser/content-parser.php
+++ b/src/parser/content-parser.php
@@ -297,7 +297,11 @@ protected function source_block( WP_Block $block, array $filter_options ) {
 		];
 
 		// WP_Block#inner_blocks can be an array or WP_Block_List (iterable).
-		$inner_blocks = iterator_to_array( $block->inner_blocks );
+		if ( is_array( $block->inner_blocks ) ) {
+			$inner_blocks = $block->inner_blocks;
+		} else {
+			$inner_blocks = iterator_to_array( $block->inner_blocks );
+		}
 
 		/**
 		 * Filters a block's inner blocks before recursive iteration.