Ayuda con el codigo PHP

[Chio147]

esta es la parte del codigo... una parte de arriba y abajo

//-----------------------------------------
// Stop one from removing cookie protection
//-----------------------------------------

$string = ( $string ) ? $string : '<!--nothing-->';
$string = preg_replace( "#htmldocument\.prototype#is", "HTMLDocument_prototype", $string );

// Fix IE bugs
$string = str_replace( "&sect", "&amp;sect", $string );

if ( strtolower( $this->ipsclass->vars['gb_char_set'] ) == 'iso-8859-1' )
{
$string = str_replace( "ì", "“", $string );
$string = str_replace( "î", "”", $string );
}

// Other stuff
$string = str_replace( "<#IMG_DIR#>", $this->ipsclass->skin['_imagedir'], $string );
$string = str_replace( "<#EMO_DIR#>", $this->ipsclass->skin['_emodir'] , $string );

@header( "Content-type: text/html;charset=".$this->ipsclass->vars['gb_char_set'] );
$this->print_nocache_headers();
print $string;
exit();
}

/*-------------------------------------------------------------------------*/
// Print no cache headers
/*-------------------------------------------------------------------------*/
/**
* Print nocache headers
*/
function print_nocache_headers()
{
header("HTTP/1.0 200 OK");
header("HTTP/1.1 200 OK");
header("Cache-Control: no-cache, must-revalidate, max-age=0");
header("Expires: 0");
header("Pragma: no-cache");
}

/*-------------------------------------------------------------------------*/
// Convert decimal character references to UTF-8
/*-------------------------------------------------------------------------*/
/**
* Convert a decimal character to UTF-8
*/
function dec_char_ref_to_utf8($int=0)
{
$return = '';

if ( $int < 0 )
{
return chr(0);
}
else if ( $int <= 0x007f )
{
$return .= chr($int);
}
else if ( $int <= 0x07ff )
{
$return .= chr(0xc0 | ($int >> 6));
$return .= chr(0x80 | ($int & 0x003f));
}
else if ( $int <= 0xffff )
{
$return .= chr(0xe0 | ($int >> 12));
$return .= chr(0x80 | (($int >> 6) & 0x003f));
$return .= chr(0x80 | ($int & 0x003f));
}
else if ( $int <= 0x10ffff )
{
$return .= chr(0xf0 | ($int >> 18));
$return .= chr(0x80 | (($int >> 12) & 0x3f));
$return .= chr(0x80 | (($int >> 6) & 0x3f));
$return .= chr(0x80 | ($int & 0x3f));
}
else
{
return chr(0);
}

return $return;
}

mi probleman esta en la parte del function print_nocache_headers()