A computer file is a computer resource on a computer that stores data, information, picture, video, settings, or commands used with a computer program. In a graphical user interface, an operating system displays a file as an icon.
STEP 1: Use the basename($_SERVER['PHP_SELF']) to get the current file name.
STEP 2: Display the file name
<?php $current_file_name = basename($_SERVER['PHP_SELF']); echo $current_file_name."\n"; ?>