DirectoryIterator extension to get the file-extension:
class MyDirectoryIterator extends DirectoryIterator
{
public function GetExtension()
{
$Filename = $this->GetFilename();
$FileExtension = strrpos($Filename, ".", 1) + 1;
if ($FileExtension != false)
return strtolower(substr($Filename, $FileExtension, strlen($Filename) - $FileExtension));
else
return "";
}
}
DirectoryIterator::getChildren