using nulls in a mysqli prepared statement

Question

In a mysqli prepared statement, a NULL gets turned into \'\' (in the case of a string) or 0 (in the case of an integer). I would like to store it as a true NULL. Is there a

Answer 1

query("CREATE TABLE test_NULL (id int(11))");
if($query=$mysqli->prepare("insert into test_NULL VALUES(?)")){
    $query->bind_param('i',$null); //note that $null is undefined
    $query->execute();
}else{
    echo __LINE__.' '.$mysqli->error;
}
?>