print $query->hidden('name', 'value' [,'value'... ])Generates a hidden text field.
The name to give the value (required).
The value to assign to name. Multiple values can be specified.
Using named parameters, the syntax is:
print $query->hidden(-name=>'name',
-default=>'value');
With named parameters, the value can also be represented as
a reference to an array, such as:
print $query->hidden(-name=>'name',
-default=>['value1', 'value2', ... ]);