unlink function throws "permission denied" error

hi,

this permission denied thing seems ridiculous to me...since i use it
in different code and it works.
it works here, when i use this code to copy files.

$biguploaddir = "linkables/".$folderName; // the /big/ directory
if(!is_dir($biguploaddir)) mkdir($biguploaddir,true);

$bigsource = "link/tmp/".$folderName."/".$filename_big;
$bigdestination = "link/".$folderName."/".$filename_big;

//first copy image from temp to real location then delete all
directories and files in temp
if (!copy($bigsource, $bigdestination)){
print "Dein Flyer konnte nicht gespeichert werden";
}else{
unlink($bigsource);
}

now i need to copy whole directories and i had to use different code
for that:

$source = "link/tmp/".$folderName."/attachments";
$destination = "link/".$folderName."/attachments";

if ( is_dir( $source ) ) {
@mkdir( $destination );
$directory = dir( $source );
while ( FALSE !== ( $readdirectory = $directory->read() ) ) {
if ( $readdirectory == '.' || $readdirectory == '..' ) {
continue;
}
$PathDir = $source . '/' . $readdirectory;
if ( is_dir( $PathDir ) ) {
copy_directory( $PathDir, $destination . '/' . $readdirectory );
continue;
}
copy( $PathDir, $destination . '/' . $readdirectory );
}

//$directory->close();
}else {
copy( $source, $destination );
}

unlink($source);

were talking about the same path here...but cakephp wont unlink my
source folder...the copying works fine...just the files in the folder
wont get deleted...

how does that make sense?

thx

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