从文本文件中获取数据并将其显示在 html 表中

After this I go through each line with array_map() and extract the username + score with explode(), which I then return as array to create a multidimensional array, e.g:

Array
(
    [0] => Array
        (
            [username] => a
            [score] => 5
        )
    //...

我用 usort()(要将顺序从 ASC 更改为 DESC，您只需将 > 更改为 <> 在 usort()) 之后，我简单地遍历数据并将其打印在表格中.

The I sort the array by the score with usort() (To change the order from ASC to DESC you can just change > to < in usort()) and after this I simply loop through the data and print it in the table.

<?php 

    $lines = file("scores.txt", FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
    $data = array_map(function($v){
        list($username, $score) = explode(":", $v);
        return ["username" => $username, "score" => $score];
    }, $lines);

    usort($data, function($a, $b){
        if($a["score"] == $b["score"])
            return 0;
        return $a["score"] > $b["score"] ? 1 : -1;
    });

?>

<table width="200" border="1">
    <tr>
        <td width="85">Nom</td>
        <td width="99">Score</td>
    </tr>
<?php foreach($data as $user){ ?>
    <tr>
        <td height="119"><?php echo $user["username"]; ?></td>
        <td><?php echo $user["score"]; ?></td>
    </tr>
<?php } ?>
</table>

输出:

Nom   Score  // Nom   Score
 e      2    //  d     123
 a      5    //  c     26
 b     15    //  b     15
 c     26    //  a      5
 d    123    //  e      2

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