图像串foreach循环？

Question

我正在尝试使用imagestring在foreach循环中添加一个新行，但它会在同一行上显示信息 这是图像，你可以看到我不需要指出的错误 Image Link

<?php

if (count($rows) == 0) {
    imagestring($image, $fontsize, $leftside, 90, "NO JOBS DETECTED", $font_white);
}

foreach($rows as $key=>$row) {
    $query = "
    SELECT username FROM users";
    $query_params = array(':id' => $row['driver']);
    $query .= "WHERE id = :id";

    try {
        $stmt = $db->prepare($query);
        $result = $stmt->execute($query_params);
    } catch(PDOException $ex) {
        die("Failed to run query: " . $ex->getMessage());
    }

    $driver = $stmt->fetch();
    $driver = $driver['username'];

    imagestring($image, $fontsize, $leftside, 100, "Top 5 Drivers", $font_red);
    imagestring($image, $fontsize, $leftside, $linedown, ($key+1).'..' . $driver, $font_red);
}