$query_update=($wpdb->prepare("update wp_postmeta pm inner join wp_posts p on p.id = pm.post_id inner join wp_users u on u.id=p.post_author set pm.meta_value = '$bid' where pm.meta_key = 'bid_budget' and p.post_title='$project' and u.user_login='$user'"));



        if($query_update > 0){
echo "Successfully Updated";
}
else{
 echo "Error ! Wrong Querry";
 echo 'Project '.$project.'<br>';
echo 'Bid '.$bid.'<br>';
echo 'User '.$user;
}