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| PerlMonks |
Re^2: Why does testing a key create a hash?by friedo (Prior) |
| on Aug 17, 2005 at 22:39 UTC ( [id://484625]=note: print w/replies, xml ) | Need Help?? |
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Use if exists $hash->{1} instead. Nope, that will still cause $hash to become a hashref and print 1 if $hash; will print 1. exists takes a hash element, and you can't have a hash element without a hash! :)
In Section
Seekers of Perl Wisdom
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