Why is this not working in WordPress functions.php?

$file = 'my/path/to/htaccess/location/.htaccess';

$htaccess = file($file);

$ht = fopen($htaccess,'a');

fwrite($ht,"deny");

fclose($ht);

I'm trying to modify the .htaccess file via functions.php, the CHMOD is set to 777, any ideas?

Edit:

Just enabled errors:

Warning: file() [function.file]: URL file-access is disabled in the server configuration in /home/tfbox/domains/ibrogram.com/public_html/themes/beta/wp-content/themes/beta/functions.php on line 133

Warning: file(http://themes.ibrogra.com/beta/.htaccess) [function.file]: failed to open stream: no suitable wrapper could be found in /home/tfbox/domains/ibrogram.com/public_html/themes/beta/wp-content/themes/beta/functions.php on line 133

Warning: fopen() [function.fopen]: Filename cannot be empty in /home/tfbox/domains/ibrogram.com/public_html/themes/beta/wp-content/themes/beta/functions.php on line 135

Warning: fwrite(): supplied argument is not a valid stream resource in /home/tfbox/domains/ibrogram.com/public_html/themes/beta/wp-content/themes/beta/functions.php on line 137

Warning: fclose(): supplied argument is not a valid stream resource in /home/tfbox/domains/ibrogram.com/public_html/themes/beta/wp-content/themes/bet开发者_如何转开发a/functions.php on line 139

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This

$file = 'http://'.$_SERVER['SERVER_NAME'].'/beta/.htaccess';

makes the requested path a http path.

That doesn't make sense - you want to use a file path.

You could use

$file = $_SERVER['DOCUMENT_ROOT'].'/beta/.htaccess';

instead.