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Thread: Warning function unlink is a directory

  1. #1

    Thread Starter
    New Member
    Join Date
    Aug 2016

    Warning function unlink is a directory

    hi all

    i am using this code line to delete image from folder

    PHP Code:
    it works fine on my localhost.

    But on my live hosting server i m getting this error

    PHP Code:
    Warningunlink(../graphics/) [function.unlink]: Is a directory in 

  2. #2
    VBA Nutter visualAd's Avatar
    Join Date
    Apr 2002
    Ickenham, UK

    Re: Warning function unlink is a directory

    The variable $image must be blank and the unlink function is trying to delete the directory rather than the image. Does $image come from an input variable from a form / URL query string?

    If this is the case, register_globals is switched off on the hosting server (its best practice and shouldn't be enabled as it makes things rather insecure). You can get at the variable using the $_GET or $_POST super global, e.g. $_GET['image'].

    Finally if you are using the variable direct from an input form, ensure you validate it for characters which should not be there, including preceding periods, forward slashes and back slashes. Otherwise, a malicious user could use a string like "../../../../../../../../../etc/php.ini" and cause havoc on the server or inside your hosting directory.
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