如何先显示最新上传的图片？ (PHP+CSS)

发布于 2024-11-18 02:21:28 字数 463 浏览 4 评论 0原文

我是 PHP 新手，基本上我正在尝试显示一个从文件夹中检索照片的图像库。问题是，我希望具有最新上传日期的图像出现在最开始的位置，依此类推，直到最旧的图像出现在底部。

这就是我的 PHP 的样子（我猜是重要的一点）

$files = scandir('uploads/thumbs');
$ignore = array( 'cgi-bin', '.', '..');
foreach ($files as $file) {
    if(!in_array($file, $ignore)) {
        echo '<img src="uploads/thumbs/' . $file . '" />';
         }
}

我想知道是否有一种方法可以通过 PHP 或者 CSS 的一点帮助来以相反的顺序显示它们，使最新的总是出现在顶部页面的。

非常感谢任何帮助或建议，来自阿根廷的问候！

原文

I am new to PHP and basically I am trying to display an image gallery that retrieves photos from a folder. The thing is, I want the image with the most recent upload date to appear at the very beginning, and so on until the oldest one in the bottom.

This is what my PHP looks like (the important bit I guess)

$files = scandir('uploads/thumbs');
$ignore = array( 'cgi-bin', '.', '..');
foreach ($files as $file) {
    if(!in_array($file, $ignore)) {
        echo '<img src="uploads/thumbs/' . $file . '" />';
         }
}

I would like to know if there's a way by PHP or maybe with a little help of CSS to display them in reverse order, making the newest one always to appear at the top of the page.

Any help or suggestion is very appreciated, regards from Argentina!

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夜清冷一曲。 2024-11-25 02:21:29

如果您的图像在数据库中，您只需执行

$sql1 = "SELECT * FROM images ORDER BY img_id DESC";

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血之狂魔 2024-11-25 02:21:28

在您的 $files 旁边，您可以获取修改时间每个文件，然后根据获取的时间值对 $files 数组进行排序。使用数组值对两个或多个数组进行排序的函数是 array_multisort：

$files = scandir($path);
$ignore = array( 'cgi-bin', '.', '..');

# removing ignored files
$files = array_filter($files, function($file) use ($ignore) {return !in_array($file, $ignore);});

# getting the modification time for each file
$times = array_map(function($file) use ($path) {return filemtime("$path/$file");}, $files);

# sort the times array while sorting the files array as well
array_multisort($times, SORT_DESC, SORT_NUMERIC, $files);

foreach ($files as $file) {
    echo '<img src="uploads/thumbs/' . $file . '" />';
}

Next to your $files you can obtain the modification time of each file and then sort the $files array based on the time values acquired. A function which sorts two or more arrays with the value of an array is array_multisort:

$files = scandir($path);
$ignore = array( 'cgi-bin', '.', '..');

# removing ignored files
$files = array_filter($files, function($file) use ($ignore) {return !in_array($file, $ignore);});

# getting the modification time for each file
$times = array_map(function($file) use ($path) {return filemtime("$path/$file");}, $files);

# sort the times array while sorting the files array as well
array_multisort($times, SORT_DESC, SORT_NUMERIC, $files);

foreach ($files as $file) {
    echo '<img src="uploads/thumbs/' . $file . '" />';
}

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