fix php8 compatibility

include/database/class_db.php

@@ -97,6 +97,11 @@ class DB
         return $this->driver->escapeString($string);
     }
 
+    public function lastInsertId()
+    {
+        return $this->driver->lastInsertId();
+    }
+
 
 
 

include/database/class_db_mysqli.php

@@ -9,7 +9,7 @@ class DBMysqli implements DBInterface
         $mysqli = new mysqli($host, $username, $password, $database, $port);
         /* check connection */
         if (mysqli_connect_errno()) {
-            throw new \RuntimeException(mysqli_connect_error());
+            throw new \DatabaseException('', mysqli_connect_error());
         }
         /* activate reporting */
         $driver = new mysqli_driver();
@@ -71,5 +71,10 @@ class DBMysqli implements DBInterface
         return $this->mysqli->real_escape_string($string);
     }
 
+    public function lastInsertId(): int
+    {
+        return $this->mysqli->insert_id;
+    }
+
 
 }

include/database/helpers.php

@@ -55,3 +55,7 @@ function mysql_real_escape_string($string)
     return DB::getInstance()->escapeString($string);
 }
 
+function mysql_insert_id()
+{
+    return DB::getInstance()->lastInsertId();
+}

include/database/interface_db.php

@@ -24,4 +24,6 @@ interface DBInterface
 
     public function escapeString(string $string): string;
 
+    public function lastInsertId(): int;
+
 }