PHP 8.1 compatibility

system/libs/forum.php

@@ -11,7 +11,7 @@
 defined('MYAAC') or die('Direct access not allowed!');
 
 $configForumTablePrefix = config('forum_table_prefix');
-if(!empty(trim($configForumTablePrefix))) {
+if(null !== $configForumTablePrefix && !empty(trim($configForumTablePrefix))) {
 	if(!in_array($configForumTablePrefix, array('myaac_', 'z_'))) {
 		throw new RuntimeException('Invalid value for forum_table_prefix in config.php. Can be only: "myaac_" or "z_".');
 	}

system/libs/pot/OTS_Account.php

@@ -1019,6 +1019,7 @@ class OTS_Account extends OTS_Row_DAO implements IteratorAggregate, Countable
  * @throws PDOException On PDO operation error.
  * @return Iterator List of players.
  */
+	#[\ReturnTypeWillChange]
     public function getIterator()
     {
         return $this->getPlayersList();
@@ -1033,7 +1034,7 @@ class OTS_Account extends OTS_Row_DAO implements IteratorAggregate, Countable
  * @throws PDOException On PDO operation error.
  * @return int Count of players.
  */
-    public function count()
+    public function count(): int
     {
         return $this->getPlayersList()->count();
     }

system/libs/pot/OTS_Base_List.php

@@ -190,6 +190,7 @@ abstract class OTS_Base_List implements IOTS_DAO, Iterator, Countable
  * @version 0.1.3
  * @return OTS_Base_DAO Current row.
  */
+	#[\ReturnTypeWillChange]
     public function current()
     {
         $id = current($this->rows);
@@ -203,7 +204,7 @@ abstract class OTS_Base_List implements IOTS_DAO, Iterator, Countable
  *
  * @throws PDOException On PDO operation error.
  */
-    public function rewind()
+    public function rewind(): void
     {
         $this->rows = $this->db->query( $this->getSQL() )->fetchAll();
     }
@@ -211,7 +212,7 @@ abstract class OTS_Base_List implements IOTS_DAO, Iterator, Countable
 /**
  * Moves to next row.
  */
-    public function next()
+    public function next(): void
     {
         next($this->rows);
     }
@@ -221,6 +222,7 @@ abstract class OTS_Base_List implements IOTS_DAO, Iterator, Countable
  *
  * @return mixed Array key.
  */
+	#[\ReturnTypeWillChange]
     public function key()
     {
         return key($this->rows);
@@ -231,7 +233,7 @@ abstract class OTS_Base_List implements IOTS_DAO, Iterator, Countable
  *
  * @return bool Does next row exist.
  */
-    public function valid()
+    public function valid(): bool
     {
         return key($this->rows) !== null;
     }
@@ -243,7 +245,7 @@ abstract class OTS_Base_List implements IOTS_DAO, Iterator, Countable
  * @return int Number of rows.
  * @throws PDOException On PDO operation error.
  */
-    public function count()
+    public function count(): int
     {
         return $this->db->query( $this->getSQL(true) )->fetchColumn();
     }

system/libs/pot/OTS_Container.php

@@ -73,7 +73,7 @@ class OTS_Container extends OTS_Item implements IteratorAggregate
  *
  * @return int Number of items.
  */
-    public function count()
+    public function count(): int
     {
         return count($items);
     }

system/libs/pot/OTS_Group.php

@@ -538,6 +538,7 @@ class OTS_Group extends OTS_Row_DAO implements IteratorAggregate, Countable
  * @throws PDOException On PDO operation error.
  * @return Iterator List of players.
  */
+	#[\ReturnTypeWillChange]
     public function getIterator()
     {
         return $this->getPlayersList();
@@ -552,7 +553,7 @@ class OTS_Group extends OTS_Row_DAO implements IteratorAggregate, Countable
  * @throws PDOException On PDO operation error.
  * @return int Count of players.
  */
-    public function count()
+    public function count(): int
     {
         return $this->getPlayersList()->count();
     }

system/libs/pot/OTS_Groups_List.php

@@ -196,6 +196,7 @@ class OTS_Groups_List implements IteratorAggregate, Countable
  * @since 0.1.5
  * @return AppendIterator Iterator for all groups.
  */
+	#[\ReturnTypeWillChange]
     public function getIterator()
     {
         $iterator = new AppendIterator();
@@ -210,7 +211,7 @@ class OTS_Groups_List implements IteratorAggregate, Countable
  * @since 0.1.5
  * @return int Amount of all groups.
  */
-    public function count()
+    public function count(): int
     {
         return count($this->groups);
     }

system/libs/pot/OTS_Guild.php

@@ -709,6 +709,7 @@ class OTS_Guild extends OTS_Row_DAO implements IteratorAggregate, Countable
  * @throws PDOException On PDO operation error.
  * @return Iterator List of ranks.
  */
+	#[\ReturnTypeWillChange]
     public function getIterator()
     {
         return $this->getGuildRanksList();
@@ -723,7 +724,7 @@ class OTS_Guild extends OTS_Row_DAO implements IteratorAggregate, Countable
  * @throws PDOException On PDO operation error.
  * @return int Count of ranks.
  */
-    public function count()
+    public function count(): int
     {
         return $this->getGuildRanksList()->count();
     }

system/libs/pot/OTS_GuildRank.php

@@ -396,6 +396,7 @@ class OTS_GuildRank extends OTS_Row_DAO implements IteratorAggregate, Countable
  * @throws PDOException On PDO operation error.
  * @return Iterator List of players.
  */
+	#[\ReturnTypeWillChange]
     public function getIterator()
     {
         return $this->getPlayersList();
@@ -410,7 +411,7 @@ class OTS_GuildRank extends OTS_Row_DAO implements IteratorAggregate, Countable
  * @throws PDOException On PDO operation error.
  * @return int Count of players.
  */
-    public function count()
+    public function count(): int
     {
         return $this->getPlayersList()->count();
     }

system/libs/pot/OTS_HousesList.php

@@ -150,7 +150,7 @@ class OTS_HousesList implements IteratorAggregate, Countable, ArrayAccess
  *
  * @return int Count of houses.
  */
-    public function count()
+    public function count(): int
     {
         return count($this->houses);
     }

system/libs/pot/OTS_Item.php

@@ -128,7 +128,7 @@ class OTS_Item implements Countable
  *
  * @return int Count of item.
  */
-    public function count()
+    public function count(): int
     {
         return $this->count;
     }

system/libs/pot/OTS_ItemsList.php

@@ -500,7 +500,7 @@ class OTS_ItemsList extends OTS_FileLoader implements IteratorAggregate, Countab
  *
  * @return int Count of types.
  */
-    public function count()
+    public function count(): int
     {
         return count($this->items);
     }

system/libs/pot/OTS_MonstersList.php

@@ -163,7 +163,7 @@ class OTS_MonstersList implements Iterator, Countable, ArrayAccess
  * 
  * @return int Count of monsters.
  */
-    public function count()
+    public function count(): int
     {
         return count($this->monsters);
     }

system/libs/pot/OTS_OTBMFile.php

@@ -630,7 +630,7 @@ class OTS_OTBMFile extends OTS_FileLoader implements IteratorAggregate, Countabl
  * @since 0.0.8
  * @return int Count of towns.
  */
-    public function count()
+    public function count(): int
     {
         return count($this->towns);
     }

system/libs/pot/OTS_SpellsList.php

@@ -324,7 +324,7 @@ class OTS_SpellsList implements IteratorAggregate, Countable
  * @since 0.1.5
  * @return int Amount of all spells.
  */
-    public function count()
+    public function count(): int
     {
         return count($this->runes) + count($this->instants) + count($this->conjures);
     }

system/libs/pot/OTS_VocationsList.php

@@ -142,7 +142,7 @@ class OTS_VocationsList implements IteratorAggregate, Countable, ArrayAccess
  *
  * @return int Count of vocations.
  */
-    public function count()
+    public function count(): int
     {
         return count($this->vocations);
     }