01.$file = 'aaa.bbb.cc.doc';
02.$exploded = explode('.', $file);
03.if (is_array($exploded)) {
04. $ext = $exploded[count($exploded)-1];
05. unset($exploded[count($exploded)-1]);
06. $fileNameOnly = implode('.', $exploded);
07.} else {
08. $ext = '';
09. $fileNameOnly = $file;
10.}
11.unset($exploded);
12.
13.echo $fileNameOnly . '.' . $ext;
