php8: random fixes deriving from mod network

2 files changed, 6 insertions, 6 deletions

diff --git a/include/conversation.php b/include/conversation.php
index ae69b7a01..f3e5fafa7 100644
--- a/include/conversation.php
+++ b/include/conversation.php
@@ -865,7 +865,7 @@ function conversation($items, $mode, $update, $page_mode = 'traditional', $prepa
 				$x = [ 'mode' => $mode, 'item' => $item ];
 				call_hooks('stream_item',$x);
 
-				if($x['item']['blocked'])
+				if(isset($x['item']['blocked']))
 					continue;
 
 				$item = $x['item'];
@@ -1563,7 +1563,7 @@ function sort_item_children($items) {
 	$result = $items;
 	usort($result,'sort_thr_created_rev');
 	foreach($result as $k => $i) {
-		if($result[$k]['children']) {
+		if(isset($result[$k]['children'])) {
 			$result[$k]['children'] = sort_item_children($result[$k]['children']);
 		}
 	}
@@ -1573,7 +1573,7 @@ function sort_item_children($items) {
 function add_children_to_list($children, &$arr) {
 	foreach($children as $y) {
 		$arr[] = $y;
-		if($y['children'])
+		if(isset($y['children']))
 			add_children_to_list($y['children'], $arr);
 	}
 }
diff --git a/include/items.php b/include/items.php
index a1198bb4d..c6a5f40a6 100644
--- a/include/items.php
+++ b/include/items.php
@@ -1432,7 +1432,7 @@ function purify_imported_object($obj) {
 	elseif (is_string($obj)) {
 		$ret = purify_html($obj);
 	}
-	
+
 	return $ret;
 }
 
@@ -4334,8 +4334,8 @@ function fetch_post_tags($items, $link = false) {
 			foreach($imeta as $i) {
 				if(array_key_exists('item_id',$items[$x])) {
 					if($i['iid'] == $items[$x]['item_id']) {
-						if(! is_array($items[$x]['iconfig']))
-							$items[$x]['iconfig'] = array();
+						if(! isset($items[$x]['iconfig']))
+							$items[$x]['iconfig'] = [];
 						$i['v'] = ((preg_match('|^a:[0-9]+:{.*}$|s',$i['v'])) ? unserialize($i['v']) : $i['v']);
 						$items[$x]['iconfig'][] = $i;
 					}