$path = '/var/www/mynewdirectory/'; t3lib_div::mkdir_deep($path);
$path = 'uploads/images/user/123/'; t3lib_div::mkdir_deep($path);In this example, the `mkdir_deep` function is called with the string path `'uploads/images/user/123/'`. The function recursively creates each directory in the path that does not already exist, resulting in the creation of the `123` directory at the end of the specified path. Package Library: TYPO3 CMS The `t3lib_div` namespace is provided by TYPO3 CMS, an open source content management system written in PHP. This function is part of the TYPO3 CMS core library and can be used by developers building TYPO3 extensions or other PHP applications.