$file_extension = "pdf"; $class_name = get_class_for_file_extension($file_extension); // $class_name will be "PDFFileHandler"
$file_extension = "jpg"; $class_name = get_class_for_file_extension($file_extension); // $class_name will be "JPGFileHandler"This code example retrieves the class name for handling JPG files using the `get_class_for_file_extension()` function. It returns the string "JPGFileHandler". This function is a core PHP function and does not belong to any specific package or library.