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$PHP_SELF non printable character before extension

I noticed that in some situations $PHP_SELF was returning a non printable character before the extension, so filename.php might become filename non printable character php.

The culprit turned out to be:


		$pagename = $PHP_SELF;

                $pagename = basename($pagename,".php");

Which inexplicably needed to be changed to:


		$pagename = $_SERVER['$PHP_SELF'];

                $pagename = basename($pagename,".php");

Afterwhich the code produced the expected output.

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