file_exists() returns false

[damezumari]

$file = 'C:\Documents and Settings\Michae l\Escritorio\El vis\test.txt';

file_exists($fi le)
and
file_exists('"' .$file.'"')

both return false although the file does exist on the user's machine.

What am I doing worng?

Kind regards,

Jan Nordgreen

[damezumari]

I have been told that file_exists() looks for files on the server, not
on the user's machine.

If that is correct the question then is: how do I check if a file
exist on the user's machine? Or can't it be done?

Kind regards,

Jan Nordgreen

[Martin]

this can't be done (with php).
php is only running on the server without knowing things about the
visiter (apart from the things stored in $_SERVER) and can't affect
anything on the users filesystem.
if it could this would be a serious security problem. imagine i could
access every file on your harddisc just by making you visit my website.

[Peter H. Coffin]

On Wed, 4 Jun 2008 07:03:23 -0700 (PDT), damezumari wrote:

I have been told that file_exists() looks for files on the server, not
on the user's machine.

If that is correct the question then is: how do I check if a file
exist on the user's machine? Or can't it be done?

That'd be up to the possibly-faulty implementation of /Java(script)?/.

--
Crowds want to beat, journalists deserve to be beaten. Where lies
the problem?
-- Lars Syrstad

[Captain Paralytic]

On 4 Jun, 15:03, damezumari <jannordgr...@g mail.comwrote:

I have been told that file_exists() looks for files on the server, not
on the user's machine.

If that is correct the question then is: how do I check if a file
exist on the user's machine? Or can't it be done?

Kind regards,

Jan Nordgreen

How's about explaining WHY you think you need to do it, so that we can
try to help you to achieve your ultimate aim?

[Rik Wasmus]

Peter H. Coffin wrote:

On Wed, 4 Jun 2008 07:03:23 -0700 (PDT), damezumari wrote:

>I have been told that file_exists() looks for files on the server, not
on the user's machine.

If that is correct the question then is: how do I check if a file
exist on the user's machine? Or can't it be done?

That'd be up to the possibly-faulty implementation of /Java(script)?/.

Java (applets) can, I suspect Flash can too, javascript only if a
particular UA manufacturer has erred beyond believe.
--
Rik Wasmus
....spamrun finished

[Jerry Stuckle]

damezumari wrote:

I have been told that file_exists() looks for files on the server, not
on the user's machine.

If that is correct the question then is: how do I check if a file
exist on the user's machine? Or can't it be done?

Kind regards,

Jan Nordgreen

No, you can't do it in PHP. You also can't do it in Javascript (unless
the browser is broken). To be able to do such would be a huge security
hole - allowing a hacker website to read any file on your computer.

You can do it with a Java applet, if the user configures Java to allow
such, but most people don't.

Which begs the question - what are you really trying to do? Maybe we
can suggest another way which will work.

--
=============== ===
Remove the "x" from my email address
Jerry Stuckle
JDS Computer Training Corp.
js*******@attgl obal.net
=============== ===

[sheldonlg]

Rik Wasmus wrote:

Peter H. Coffin wrote:

>On Wed, 4 Jun 2008 07:03:23 -0700 (PDT), damezumari wrote:

>>I have been told that file_exists() looks for files on the server, not
on the user's machine.

If that is correct the question then is: how do I check if a file
exist on the user's machine? Or can't it be done?

That'd be up to the possibly-faulty implementation of /Java(script)?/.

Java (applets) can, I suspect Flash can too, javascript only if a
particular UA manufacturer has erred beyond believe.

I'm curious. How does type="file" work? That allows a directory search
of the user's machine. Of course, it it totally under the user's
control, so no security breach, but what mechanism is used to get the data?

[Rik Wasmus]

On Wed, 04 Jun 2008 18:40:33 +0200, sheldonlg <sheldonlgwrote :

Rik Wasmus wrote:

>Peter H. Coffin wrote:

>>On Wed, 4 Jun 2008 07:03:23 -0700 (PDT), damezumari wrote:
I have been told that file_exists() looks for files on the server, not
on the user's machine.

If that is correct the question then is: how do I check if a file
exist on the user's machine? Or can't it be done?

That'd be up to the possibly-faulty implementation of /Java(script)?/.

Java (applets) can, I suspect Flash can too, javascript only if a
particular UA manufacturer has erred beyond believe.

I'm curious. How does type="file" work? That allows a directory search
of the user's machine. Of course, it it totally under the user's
control, so no security breach, but what mechanism is used to get the
data?

It's outside the page, the file input element is not controllable in any
way. It's just the UA itself which can open file menu's, and interpret the
value to which it is set.
--
Rik Wasmus
....spamrun finished

[AnrDaemon]

Greetings, damezumari.
In reply to Your message dated Wednesday, June 4, 2008, 17:45:13,

$file = 'C:\Documents and Settings\Michae l\Escritorio\El vis\test.txt';

file_exists($fi le)
and
file_exists('"' .$file.'"')

both return false although the file does exist on the user's machine.

What am I doing worng?

You have remembered me one old joke.

"Hi, i'm <insert your preferred nationvirus.
We here in <inserted nationknow nothing about computers and programming, so
please, forward this letter to all your friends, then delete all your files from
your harddrive.
Thanks."
--
Sincerely Yours, AnrDaemon <an*******@free mail.ru>