gate

Performs a security screen by testing to make sure a corresponding scratchpad variable has been set true.

This filter returns the body text verbatim if the specified scratchpad variable exists, otherwise it returns an empty string.

Example

1. [filter gate.test]The gate is open[/filter]
2. [tmpn test]1[/tmpn]
3. [filter gate.test]The gate is open[/filter]

Results in:

1.
2.
3. The gate is open

sub {
my ($val, $var) = @_;

return '' unless $::Scratch->{$var};
return $val;
}