this one will not even try to load config.inc.php if it doesn\'t exit.
<?
if( file_exists( \'config.inc.php\' ) )
{
require \"config.inc.php\";
}
else
{
echo( \'ERROR\' );
}
?>
this one will try to load config.inc.php and display additional message.
<?
require \"config.inc.php\";
echo( ( file_exists( \'config.inc.php\' ) ) ? \'\' : \'ERROR\' );
?>