PHP: copy - Manual

说明

bool copy ( string source, string dest)

将文件从 source 拷贝到 dest。如果成功则返回 TRUE，失败则返回 FALSE。
例子 1. copy() 例子

<?php if (!copy($file, $file.'.bak')) { print ("failed to copy $file...<br>\n"); } ?>

注: 从 PHP 4.3.0 开始，如果启用了“fopen wrappers”的话，source 和 dest 都可以是 URL。更多细节见 fopen()。如果 dest 是一个 URL，则如果封装协议不支持覆盖已有的文件时拷贝操作会失败。

警告

如果目标文件已存在，将会被覆盖。

参见 move_uploaded_file()，rename() 和手册中关于文件上传处理一节。

add a note User Contributed Notes
copy

info at sameprecision dot org
29-Jan-2005 12:54


When using copy on win32 (don't know about anywhere else),  copy sets the 'last modified time' of the the new copy to the current time instead of that of the source (win32 copy preserves last modified time).  If you are tracking backups by last modified time, use:



<?php



copy($src, $dest); touch($dest, filemtime($src));



?>

20-Jan-2005 01:34


Heres a quick function I wrote to backup whole websites.

I haven't actually tested it out yet. I will later on  =P

<?



function backup($extension) {

    $counter = 0;

    foreach(glob(�*� . �$extension�) as $file) {

        if ($extension{0} != �.�) {

            $extension = �.� . $extension;

        }

        $file2 = �./backup/� . �$file�;

        $counter++;

        copy($file, $file2);

    }

    if ($counter == 0) {

        return false;

    } else {

        return true;

    }

}



/* Test -- Copy all images */



$extension_array = array(�.jpg�, �.gif�, �.png�, �.bmp�);



foreach($extension_array as $key => $value) {

    backup($extension);

}



?>

simonr_at_orangutan_dot_co_dot_uk
03-Sep-2004 10:54


Having spent hours tacking down a copy() error: Permission denied , (and duly worrying about chmod on winXP) , its worth pointing out that the 'destination' needs to contain the actual file name ! --- NOT just the path to the folder you wish to copy into.......

DOH !

hope this saves somebody hours of fruitless debugging

aidan at php dot net
30-Aug-2004 09:29


If you want to copy a file, or an entire folder (including the contents), use the below function.





http://aidan.dotgeek.org/lib/?file=function.copyr.php

kadnan at yahoo dot com
30-Aug-2004 07:30


you can also try xcopy command by using Shell to move/copy files/folders from one place to another


here is the code:





<?php


exec('xcopy c:\\myfolder d:\\myfolder /e/i', $a, $a1);


?>





by executing this command, it will move folder along with all contents to destination.





-adnan

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