So benennen Sie Dateien in PHP stapelweise um

<?php
 
$list = scandir(__DIR__);
 
foreach ($list as $k => $v){
    $newName = str_replace("替换前","替换后",$v);
    rename($v,$newName);
    echo $newName;
}

<?phpheader("Content-type:text/html;charset=utf-8");

$dir = __DIR__.&#39;./color/&#39;;
$file_arr = scandir($dir);unset($file_arr[0]);unset($file_arr[1]);
$file_arr = array_values($file_arr);

$n = count($file_arr);for ($i = 0; $i < $n; ++$i){
    $title = sprintf(&#39;color_%02s&#39;, $i + 1);
    $old_file_name = $dir.$file_arr[$i];
    $new_file_name = $title.strrchr($file_arr[$i],&#39;.&#39;);
    rename($old_file_name, $new_file_name);
}