Close #3205
diff --git a/system/libraries/Upload.php b/system/libraries/Upload.php
index 7946111..49c69a3 100644
--- a/system/libraries/Upload.php
+++ b/system/libraries/Upload.php
@@ -1158,28 +1158,14 @@
*/
protected function _prep_filename($filename)
{
- if ($this->mod_mime_fix === FALSE OR $this->allowed_types === '*' OR strpos($filename, '.') === FALSE)
+ if ($this->mod_mime_fix === FALSE OR $this->allowed_types === '*' OR ($ext_pos = strrpos($filename, '.')) === FALSE)
{
return $filename;
}
- $parts = explode('.', $filename);
- $ext = array_pop($parts);
- $filename = array_shift($parts);
-
- foreach ($parts as $part)
- {
- if ( ! in_array(strtolower($part), $this->allowed_types) OR ! isset($this->_mimes[strtolower($part)]))
- {
- $filename .= '.'.$part.'_';
- }
- else
- {
- $filename .= '.'.$part;
- }
- }
-
- return $filename.'.'.$ext;
+ $ext = substr($filename, $ext_pos);
+ $filename = substr($filename, 0, $ext_pos);
+ return str_replace('.', '_', $filename).$ext;
}
// --------------------------------------------------------------------