Generate Buttons on Condition

//Call your connection script - Require_once or include_once
//Generate buttons for those users with a status of zero (unverified)

    function statusZero($pdo){

        $status = 0;
        $sql = "SELECT id FROM users WHERE status = ? ";
        $stmt = $pdo->prepare($sql);
        $stmt->bindParam(1,$status);
        $stmt->execute();
        $rows = $stmt->fetchAll(PDO::FETCH_ASSOC);

        foreach($rows as $val){
            echo "<button class='btn' type='submit' name='mybutton' id='{$val['id']}' value='{$val['id']}'>{$val['id']}</button>" . " | ";
        }

    }