I'm stuck, unlink sucks.

grahamblake28

Hi,

I'm fairly new to the php thing so bear with me.

I've upload an image to a folder on my hosts server and also written the file name to a database in the process. I also have created a page where I can delete the database entry. I am trying to delete the file from the server on this page also, from the same button, i.e. on click kills DB entry and file at the same time.
The databse part deletion is complete but I am stuck on the file deletion.

The code looks something like this

$tempFolder = main_photos;

(main_photos is the name of the folder where I am storing the images)

$tempFile = $row_rs_main_photo['main_photo_filename']);

(the database entry which stores the filename)

$tempPath = $tempFolder."/".$tempFile;

(concat' folder and filename for file path)

if(isset( $Submit )) {
unlink ("$tempPath");
}

(the file deletion bit using PHP's unlink() function)

This does not work.
If I replace the database entry with a hardcoded filename of a file I know I want to delete it works and deletes the file!

Is the problem something to do with the formating on the retreived filename from the database?

Or is it possible that the database record is deleted before the value can be reteievd to delete the image?

I'm well stuck.

Any help on this one would be much appreciated

binaryjunk
UK😕 😕

suntra

First, echo $tempPath to see if it is a valid file.

Second, check it $submit is set. If not, I think it's a register_globals problem. Simply try $_REQUEST["submit"] instead of $submit...

grahamblake28

When you say it's a register globals problem do you mean that my host needs to edit there php ini file? i.e. turn register globals from off to on.

The isset ($submit) part is definatley not the problem.

suntra

Well... if the server configuration has register_globals set to off, either they set if to on, either you change you code (and you should for security reason).

Try to echo something in the if statement...

if(isset( $Submit )) { 
echo "Submit is ok ! Trying to delete the file<BR/>\n";
unlink ("$tempPath"); 
}

Do you get any error or NO error message is displayed, even for a syntax error ? You can also try this :

if(isset( $Submit )) { 
unlink ("$tempPath") or print("There's a problem with unlink.<BR/>\n"; 
}

Also, do you have the appropriate permission on the file you try to delete ?

Also, has your host desactivated the unlink function ?! Maybe you should ask them...

I also noticed that there is a capital S in your variable... $Submit... remember that $Submit is not egual to $submit... ($Submit <> $submit -- or -- $Submit !=$submit)