Re: testing a non-existant hash entry...how to handle

Could a better method be testing for the existence of a param, and defaulting if it doesnt exist?

if(!defined $q->param('page') {
    #add defaults here
} else {
    #do taint checking here!
}
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.. are we talking two different parameters?

Comment on Re: testing a non-existant hash entry...how to handle Download Code

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Re: Re: testing a non-existant hash entry...how to handle by ropey (Hermit) on Mar 01, 2002 at 10:05 UTC
If you have quite a lot of inputs it may be viable to read them in in one hit. `my $query = new CGI; my %inputs = $query->Vars; # All params passed in now in hash # Now can just use exists check to see if we have it if(exists $input{'page'} && exists $input{'page'} ne '') { # Do stuff } else { }` [download] Now can just use the 'exists' check to find if you have a particular input Just another way of doing it....	[reply] [d/l]

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Re: Re: testing a non-existant hash entry...how to handle
by ropey (Hermit) on Mar 01, 2002 at 10:05 UTC

my $query = new CGI;
my %inputs = $query->Vars;  # All params passed in now in hash

# Now can just use exists check to see if we have it 
if(exists $input{'page'} && exists $input{'page'} ne '') {
  # Do stuff
} else {

}
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[reply]
[d/l]