php - inserting two rows instead of one MySQL using PDO -

i'm trying insert login data login table, , i'm using code:

login.php

$verify = password_verify($password, $results['user_password']); if($verify){     $session->loguser($results['user_id']);     header('location: dashboard.php'); }else{     //error } 

and in session.php have session class this:

public function loguser($userid){     $_session['userid'] = $userid;      $token = $this->createtoken();     $timestamp = time() + (86400 * 14);      $connection = new connection;     $db = $connection->openconnection();      $stmt = $db->query("insert logins (login_token, login_userid, login_expires) values ('$token', '$userid', '$timestamp')");     $stmt->execute(); } 

this working correctly, token being generated, , data correct when check database, it's creating 2 records (identical ones different auto_increment id).

why happening? in advance.

edit: i'm doing token thing in attemp create persistent login, have yet create cookie first wanted test if login data being stored correctly in database.

you executing twice. remove $stmt->execute();