Thanks Jason, That makes much more sense now. I forgot about recursive functions, as I don't use them often. I should look into it further. It seems to be very helpful in some cases. Thanks again for your help.
- Nilaab > -----Original Message----- > From: Jason Wong [mailto:[EMAIL PROTECTED]] > Sent: Thursday, December 19, 2002 3:53 AM > To: [EMAIL PROTECTED] > Subject: Re: [PHP] delete() and unlink() > > > On Thursday 19 December 2002 17:39, [EMAIL PROTECTED] wrote: > > Hello Everyone, > > > > I'm using a test server on Windows XP. I have the following > function (which > > I got from the comment notes on php.net) that works wonders > when deleting > > directories that are not empty on a Windows system. > > Good. > > > But, I'm a bit > > confused. I searched for the delete() function on php.net and > it said that > > delete() was not a real function, but a dummy manual entry for those who > > are actually looking for the unlink() function. > > delete() is a dummy entry in the manual so people looking for > said function > will be directed to unlink() which is the correct function to use. > > > So then why does the > > delete() function work in my script? > > delete() is undefined in php, that is why you can define your own > function > called delete(). > > > I tried using the unlink() function in > > place of the delete() function, but unlink() gave me many > errors (possibly > > because of permissions). > > unlink() can only remove/delete directories that are empty. > > > Is there an error in the manual or is it just me? > > There's no error in the manual (with regards to this subject). Probably a > misunderstanding on your part. > > > Is there a difference in the two functions? Does the delete() > function not > > care about permissions as opposed to the unlink() function? > This is really > > bugging me. Can someone clear the air? > > The delete() function as defined below is recursive and will > automatically go > inside non-empty directories and empty them first. > > > $c_dir = "$DOCUMENT_ROOT/world/admin/backup2"; // current directory > > > > function delete($dir) { > > if (file_exists($dir)) { > > umask(0); > > chmod($dir,0777); > > if (is_dir($dir)) { > > $handle = opendir($dir); > > while($dirname = readdir($handle)) { > > if ($dirname != "." && $dirname != "..") { > > delete($dir."/".$dirname); > > } > > } > > closedir($handle); > > rmdir($dir); > > } else { > > unlink($dir); > > } > > } > > } > > > > delete ($c_dir); > > To summarise -- there is no delete() function in php, the > delete() function > you're using is a user-defined function and as such will do > whatever you can > make it do. > > -- > Jason Wong -> Gremlins Associates -> www.gremlins.biz > Open Source Software Systems Integrators > * Web Design & Hosting * Internet & Intranet Applications Development * > > /* > Garbage In -- Gospel Out. > */ > > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php > > -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
