URI Segment.

[eluser]linuxbz[/eluser]
Do you mean like:

Code:

if ( $missing or ! $authorized )
{
    echo "Sorry, friend.";
}

The operators you mentioned have a higher precedence:

Code:

$permitted = $missing || ! $authorized;

If you don't know the difference, you probably want to use 'or' or 'and'.

See
logical operators.