diff --git a/src/wp-includes/class-wp-block-parser.php b/src/wp-includes/class-wp-block-parser.php
index c7e087ece8711..3b50c8e30cfe4 100644
--- a/src/wp-includes/class-wp-block-parser.php
+++ b/src/wp-includes/class-wp-block-parser.php
@@ -324,7 +324,7 @@ public function freeform( $inner_html ) {
 	 * @param null|int $length How many bytes of document text to output.
 	 */
 	public function add_freeform( $length = null ) {
-		$length = $length ? $length : strlen( $this->document ) - $this->offset;
+		$length = $length ?? strlen( $this->document ) - $this->offset;
 
 		if ( 0 === $length ) {
 			return;
@@ -356,7 +356,7 @@ public function add_inner_block( WP_Block_Parser_Block $block, $token_start, $to
 		}
 
 		$parent->block->innerContent[] = null;
-		$parent->prev_offset           = $last_offset ? $last_offset : $token_start + $token_length;
+		$parent->prev_offset           = $last_offset ?? $token_start + $token_length;
 	}
 
 	/**