Avoid PHP Notices when a Comment parent is unavailable.

dd32 · web-flow · commit f8b23448d8b1 · 2023-04-05T15:06:18.000+10:00
diff --git a/inc/fragment.php b/inc/fragment.php
@@ -400,7 +400,7 @@ public static function get_fragment_from_comment( $my_comment ) {
 
 	public static function get_depth_for_comment( $my_comment ) {
 		$depth = 1;
-		while ( 0 < $my_comment->comment_parent ) {
+		while ( $my_comment && 0 < $my_comment->comment_parent ) {
 			$depth = $depth + 1;
 			$my_comment = get_comment( $my_comment->comment_parent );
 		}

Original file line number	Diff line number	Diff line change
`@@ -400,7 +400,7 @@ public static function get_fragment_from_comment( $my_comment ) {`
`400`	`400`
`401`	`401`	`public static function get_depth_for_comment( $my_comment ) {`
`402`	`402`	`$depth = 1;`
`403`		`- while ( 0 < $my_comment->comment_parent ) {`
	`403`	`+ while ( $my_comment && 0 < $my_comment->comment_parent ) {`
`404`	`404`	`$depth = $depth + 1;`
`405`	`405`	`$my_comment = get_comment( $my_comment->comment_parent );`
`406`	`406`	`}`