Use PHP's file_get_contents with a file on users local system?

Is there a way to use PHP's file_get_contents() f开发者_高级运维unction on a file that a user is trying to upload from their computer through the browser with a form?

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Directly - no. This is not how PHP works - it runs entirely on server side.

After uploading - definitely! You can load the file using the tmpfile element in the $_FILES array. See Handling File Uploads for more info.

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Only way to communicate with the users filesystem is through the upload filesystem. There is of course a reason that you cannot just access files from a clients computer, this would imply enormous security issues.

If you really need to do something with files on a users computer, look into Adobe Flash, Silverlight, Java or write a plugin.