Are there any predefined PHP functions that can help in extracting the file name without the extension?

To extract the file name without the extension in PHP, you can use the `pathinfo()` function to get information about a file path. You can then access the 'filename' key in the returned array to get the file name without the extension.

$file_path = '/path/to/file/example.txt';
$file_info = pathinfo($file_path);
$file_name_without_extension = $file_info['filename'];

echo $file_name_without_extension; // Output: example