How use with Pdo [on hold]

Question

if(foo){
$value = email@mail.com;
}else{
$value = 123;
}
            $req = $this->_aConnectionBdd->getConnection()->prepare("SELECT code_valid FROM users WHERE email = :email OR code_valid = :code_valid ");
            $req->bindValue(':email', $value, \PDO::PARAM_STR);
            $req->bindValue(':code_valid', $value, \PDO::PARAM_STR);
            $req->execute();

            $result = $req->fetch(\PDO::FETCH_ASSOC);
            $req->closeCursor();

            return $result['code_valid'];

how come than $result return NULL, How use OR with PDO mysql?

Answer 1

You select only code_validation field.

So the result should be return $result['code_validation'];