# Unpredictable-
my $x = 1 if $y;
# Safe-
my $x;
$x = 1 if $y;

##</code><code>##

<%init>
my $bio = $c->flash->{'bio'};
</%init>

% if ( $bio ) {
   <p>My name is <% $bio->name |h %><br />
   My residence is at <% $bio->address |h %></p>
% }