Return values from methods on Classes/Objects
From: Michael Kraus (mkraus_at_wildtechnology.net)
Date: 11/29/04
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Date: Mon, 29 Nov 2004 18:07:33 +1100 To: <beginners@perl.org>
G'day...
One of my classes has a method called format_cost which takes a number
(integer representing a monetory amount in cents) and pretties it up for
display as a dollar amount. I.e. format_cost(120000) returns
"$1,200.00".
When I have the function stand-alone it behaves as it should, however
when I have it as a method on a class, and make a call to it (external
to the class/object), it returns the class or object itself.
E.g.
my @output = ();
sub add_output {
@output = (@output, @_);
}
add_output($q->h2("Cost per billing period: " .
Super_DB_Object->format_cost($period_multiplier *
$total_monthly_cost_in_cents)));
add_output($q->h2("Cost per billing period: " .
$customer->format_cost($period_multiplier *
$total_monthly_cost_in_cents)));
add_output($q->h2("Cost per billing period: " .
format_cost($period_multiplier * $total_monthly_cost_in_cents)));
add_output($q->h2("Cost per billing period: " . ($period_multiplier *
$total_monthly_cost_in_cents)));
print @output;
displays:
Cost per billing period: Super_DB_Object
Cost per billing period: Customer=HASH(0x82ddef8)
Cost per billing period: $2,277.00
Cost per billing period: 227700
Clearly, I'm missing something crucial here... :)
(FWIW, $q is a CGI instance and output is to a browser)
All help appreciated.
Regards,
Michael S. E. Kraus
Software Developer
Wild Technology Pty Ltd
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