[PHP] is_link() behavior
Forgive me for my ignorance, but I've noticed some unwanted behavior (IMO,
at least) with the is_link() function. Given the simple code..
if ( is_link ("/tmp/this_is_a_symlink") )
print ("Success\n");
and the file..
lrwxrwxrwx 1 root root 5 Apr 23 21:19 /tmp/this_is_a_symlink -> /bin/
the above obviously prints 'Success\n'.
However, if I break the symlink, with something like the following..
lrwxrwxrwx 1 root root 4 Apr 23 21:21 /tmp/this_is_a_symlink -> foo
the script fails with..
Warning: stat failed for /tmp/this_is_a_symlink (errno=2 - No such file or
directory) in ./test.php on line 3.
The file /tmp/this_is_a_symlink is still a symlink, so it seems to me that
the is_link() function should still return true, whether or not the
symlink's target exists. Is there perhaps a function I have yet to
discover that provides that behavior, without verifying the link's target?
I ask this because much of linux's /proc contains (intentionally) broken symlink's
and is_link()'s behavior is making the scouring of /proc very difficult on
me. ;)
Thanks for any input..
J. Jones
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Re: [PHP] file_exists with remote file???
On Tue, Apr 24, 2001 at 12:20:01AM -0300, Paulo - Bruc Internet wrote:
> Can anyone help me?
>
> The sintax of function file_exists is:
>
> if(file_exists("t.txt"))
> {
> print...
> }
>
> Does anybody knows how can work with remote files?
> This is not working:
> if(file_exists("http://www.ttt.com/t.txt";))
> {
> print...
> }
>
> Thanks for any help,
>
> Paulo Roberto Ens - Brazil
> Bruc Sistemas para Internet Ltda
> mailto:[EMAIL PROTECTED]
> http://www.bruc.com.br
>
> Diversão ou Cultura? CuritibaWeb.com - O Melhor Guia de Curitiba!
> http://www.curitibaweb.com
>From the manual..
file_exists() will not work on remote files; the file to be examined
must be accessible via the server's filesystem.
Try something like this instead:
if (($fd = fopen ("http://url/file.ext";, "r"))) {
print...
}
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Re: [PHP] is_link() behavior
On Tue, Apr 24, 2001 at 05:31:04AM +0200, Martin Skjöldebrand wrote: > > Warning: stat failed for /tmp/this_is_a_symlink (errno=2 - No such file or > > directory) in ./test.php on line 3. > > Do you have permission to read the /tmp catalog? Otherwise you may get that > error I suppose. > > M. Yes.. the script was executed as root, so permissions aren't an issue. ;) The error, I believe, is generated from is_link() trying to do a stat() on the link's target, which doesn't exist. The symlink is broken the second time around (foo doesn't exist). -- PHP General Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
Re: [PHP] FTP problem..
On Tue, Apr 24, 2001 at 10:10:58AM -0400, Chad Day wrote:
> I'm trying to write a script to ftp the contents of one directory structure
> onto another server.. I'm having problems recursing the directories, either
> it a) doesn't do it or b) gets stuck in a loop.
>
> Here's the function I'm having the problem with..
>
>
Directory recursion has angered me many long nights. Here is what I
finally came up with, which works perfectly. This should be easily
changed into what you need.. it's just an example of the logic. ;)
This was meant to run from the command line with /usr/bin/php -q ;)
$base = $argv[1];
$i = 0;
$directory[$i] = array ($argv[1]);
while (1) {
if ( @ is_array ($directory[$i])) {
$subdirs = "";
foreach ($directory[$i] as $dir) {
if (($dir_handle = @ opendir ($dir))) {
print ("Reading $dir\n");
while (($file = readdir ($dir_handle)) !==
false) {
// Drop these two, else we'll be no better
// than glibc's glob() ;)
if (($file != '.') && ($file != '..')) {
if ( ! ereg ('^/', $dir)) {
$temp = $base . $dir;
} else { $temp = $dir; }
if ( ! ereg ('/$', $temp)) {
$temp .= '/' . $file;
} else { $temp .= $file; }
// Consider dropping symlinks right here,
// or treating them as a normal file.
if ( @ is_dir ($temp)) {
$subdirs .= $temp . ',';
} else { print ("\t$file\n"); }
}
}
closedir ($dir_handle);
}
}
$i++;
if ($subdirs) {
$directory[$i] = explode (',', substr ($subdirs, 0, ((strlen
($subdirs) - 1;
}
}
else { break; }
}
Hope that helps a bit. I know that was one of the most frustrating things
I've ever tried to figure out (in any language). It's certainly not
perfect.. you will probably need to add a few more string checks to it,
but the basic logic seems flawless to me.
Good luck! ;)
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Re: [PHP] A simple problem!
On Tue, Apr 24, 2001 at 11:24:26PM +0530, Subodh Gupta wrote: > Can You figure out the mistake here...?? > > print << \n > color="#$colour[$colouroffset]">$name:\n // The problem is here.. >the value of $colour[$colouroffset] is not align=left>$dbvalue\n >// getting substituted. Can you tell me why?? > \n\n > EOQ; This is more than likely due to the variable being enclosed in ""'s, although I can't say for sure, as I've never used print() in this manner. Try adding the '#' to the actual $colour[$colouroffset] value, then simply replace "#$colour[$colouroffset]" with $colour[$colouroffset]. -- PHP General Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
Re: [PHP] ereg_replace
On Tue, Apr 24, 2001 at 06:21:20PM -0400, Wade wrote:
> I am attempting to do an ereg_replace(), but the charachter I want to
> replace is a \. Any Ideas how I make the following work?
>
> $F_name = ereg_replace ("\", "", $acc_fname);
> echo $F_name;
>
> Thanks,
> Wade
>
use \\
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Re: [PHP] random letters and numbers
On Mon, Apr 23, 2001 at 11:10:48PM -0700, Randy Johnson wrote: > Is there a way to generate a random set of characters ranging from 8 to 12 > characters and numbers where it is crucial that the letters and numbers are > truly random because I need to create temporary files for people to download > information. > > Any links/suggestions would be greatly appreciated > > Thanks > > Randy > Also check out the tempnam() and tmpfile() functions, as this is exactly what they were made for ;) -- PHP General Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
