copy()

(PHP 4, PHP 5, PHP 7)

拷贝文件

说明

将文件从$source拷贝到$dest。

如果要移动文件的话，请使用rename()函数。

参数

源文件路径。

目标路径。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。

如果目标文件已存在，将会被覆盖。

A valid context resource created withstream_context_create().

返回值

成功时返回TRUE，或者在失败时返回FALSE。

更新日志

范例

Example #1copy()例子

参见

• move_uploaded_file() 将上传的文件移动到新位置
• rename() 重命名一个文件或目录
• The section of the manual abouthandling file uploads

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

It take me a long time to find out what the problem is when i've got an error on copy(). It DOESN'T create any directories. It only copies to existing path. So create directories before. Hope i'll help,

Don't forget; you can use copy on remote files, rather than doing messy fopen stuff. e.g. 

A nice simple trick if you need to make sure the folder exists first:

That simple.

Here is a simple script that I use for removing and copying non-empty directories. Very useful when you are not sure what is the type of a file.
I am using these for managing folders and zip archives for my website plugins.

Cheers!

Copying large files under Windows 8.1, from one NTFS filesystem to another NTFS filesystem, results in only the first 4 GiB copied and the rest of the file is ignored.
So, if you think to have files larger than 4 GiB, instead of doing:
  copy($source,$destination);
it is much better to do something like:
  exec("xcopy $source $destination");
I will check to see if this issue is valid also under Linux.
It depends on PHP not being compiled in 64 bit mode?

Here's a simple recursive function to copy entire directories
Note to do your own check to make sure the directory exists that you first call it on. 

some hosts disable copy() function and say its for security 
and for some copy is important so this is and simple function that do same as copy function effect 
how smart php can help us l like php 

It's worth noting that copy() sets the destination file's last modified time/date.

My own 'cp -R' written in PHP.
Hopefully it will work for your situation. I'm using it in a web based file manager for my CMS. 

If you try to copy a file to itself - e.g. if the target directory is just a symlink to the source directory - copy will return false. just like on the command line.

you can also try xcopy command by using Shell to move/copy files/folders from one place to another
here is the code:

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

Paths and filenames with Japanese characters are not handled correctly if you are running Apache/PHP on a Windows machine.
With the following code you can convert e.g. the network path to the appropriate encoding so that Windows understands where to look:

There are however a number of characters that cannot be converted correctly like '②' and '﨑' because there are no SJIS equivalents.

Thanks for all the comments, i wrote this function for fully supporting file and directory copy. 
As you may have noticed there are feature that didn't have time to implement , but if you have time to implement them or even add more cool features, please notify me as well :). you can find me here http://sina.salek.ws/en/contact
PS : It was very useful for me, hope you find it useful as well. 

Below a code snippet for downloading a file from a web server to a local file.
It demonstrates useful customizations of the request (such as setting a User-Agent and Referrer, often required by web sites), and how to download only files if the copy on the web site is newer than the local copy.
It further demonstrates the processing of response headers (if set by server) to determine the timestamp and file name. The file type is checked because some servers return a 200 OK return code with a textual "not found" page, instead of a proper 404 return code.

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