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vt. Rename..., rename

3?? ??: renames ?? ??: renaming ?? ??: renamed ?? ??: renamed

PHP ?? ???() ?? ???

??: ???? ????? ??? ????.

??: ??rename(?? ??,? ??,????)

????:

??: oldname? ???? ??? ????? newname? ???? ????? ???? ???.

PHP ?? ???() ?? ?

<?php
$file = "test.txt";
$res = rename($file,"index.txt");
if($res)
{
    echo "文件重命名成功";
}else{
    echo "文件重命名失敗";
}
?>