$hashed_attachment_dir = getHashedDir($username, $attachment_dir);
$rem_attachments = array();
- foreach ($attachments as $info) {
- if ($info['session'] == $session) {
- $attached_file = "$hashed_attachment_dir/$info[localfilename]";
- if (file_exists($attached_file)) {
- unlink($attached_file);
- }
- } else {
- $rem_attachments[] = $info;
- }
+ if (is_array($attachments)) {
+ foreach ($attachments as $info) {
+ if ($info['session'] == $session) {
+ $attached_file = "$hashed_attachment_dir/$info[localfilename]";
+ if (file_exists($attached_file)) {
+ unlink($attached_file);
+ }
+ }
+ else {
+ $rem_attachments[] = $info;
+ }
+ }
}
$attachments = $rem_attachments;
}