移动 / 重命名 文件

移动文件

$path = "./upload/" . date("Ymd") . '/';
move_uploaded_file($_FILES['file']['tmp_name'], $path . $_FILES['file']['name']);

https://www.php.net/manual/en/function.move-uploaded-file.php

重命名文件

重命名文件也会有移动的效果

$path = "./upload/" . date("Ymd") . '/';
rename($_FILES['file']['tmp_name'], $path . "1.txt");

https://www.php.net/manual/en/function.rename.php