// Given this path: $path = '/path/to/my/file.txt'; // Get just the filename: $filename = basename($path); // Output: 'file.txt' echo $filename;This code extracts the filename from a full path and assigns it to the `$filename` variable. The `basename` function is used to accomplish this. The `getFilename` function is not a built-in PHP function. It's possible that it could be part of a package or library, but without more context it's impossible to determine which.