create folder php
// Create folder if not exist
$folderName = 'images/gallery';
$config['upload_path'] = $folderName;
if(!is_dir($folderName))
{
mkdir($folderName, 0777);
}php mkdir
// Create a directory with the permission level (optional)
<?php
mkdir("/path/to/my/dir", 0700);
?>Source: www.php.net