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obtaining the size of a file

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I am currently doing a download page on my site. In the admin control area when a new file is submitted the script automatically should obtain the size of the file. now before we say use filesize() it wont work .. this is because the file may or maynot be on the same server as the php script. filesize needs a realpath ( c:\dir\file.zip ) as it doesn't work with a url ( [a href=\"http://www.site.com/file.zip\" target=\"_blank\"]http://www.site.com/file.zip[/a] ).

How else can i obtain the file size?

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You have to read the file some way in order to get the file size.

If you are using a file upload form, then you can use the $_FILES array after it's been submitted, which has the file size in it.

Here is a function using cURL from, of all places, the manual:

[a href=\"http://us2.php.net/manual/en/function.filesize.php#47552\" target=\"_blank\"]http://us2.php.net/manual/en/function.filesize.php#47552[/a]

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