Ensure *toArray returns an array

src/Database/Database.php

@@ -1512,16 +1512,18 @@ class Database
 	public function toArray($stmt, $do_close = true)
 	{
 		if (is_bool($stmt)) {
-			return $stmt;
+			return [];
 		}
 
 		$data = [];
 		while ($row = $this->fetch($stmt)) {
 			$data[] = $row;
 		}
+
 		if ($do_close) {
 			$this->close($stmt);
 		}
+
 		return $data;
 	}
 

src/Model/Attach.php

@@ -44,7 +44,7 @@ class Attach extends BaseObject
 	 * @param array $conditions Array of fields for conditions
 	 * @param array $params     Array of several parameters
 	 *
-	 * @return boolean|array
+	 * @return array
 	 *
 	 * @throws \Exception
 	 * @see   \Friendica\Database\DBA::selectToArray
@@ -55,7 +55,7 @@ class Attach extends BaseObject
 			$fields = self::getFields();
 		}
 
-		$r = DBA::selectToArray('attach', $fields, $conditions, $params);
+		return DBA::selectToArray('attach', $fields, $conditions, $params);
 	}
 
 	/**

src/Model/Item.php

@@ -383,16 +383,10 @@ class Item extends BaseObject
 		$result = self::select($fields, $condition, $params);
 
 		if (is_bool($result)) {
-			return $result;
+			return [];
 		}
 
-		$data = [];
-		while ($row = self::fetch($result)) {
-			$data[] = $row;
-		}
-		DBA::close($result);
-
-                return $data;
+        return DBA::toArray($result);
 	}
 
 	/**