Viewing the Source of a Document
<html> <head> <title>Viewing the source of a document</title> </head> <body> <form action="<?php print $PHP_SELF ?>" method="get"> Enter file name (test.txt): <input type="text" name="file" value="<?php print $file; ?>"> <p></p><hr><p></p> <?php if ( isset( $file ) ) show_source( $file ) or print "couldn't open \"$file\""; ?> </body> </html>