This code example...
#!/usr/bin/perl
use Data::Dumper;
my @input = ( "var1", "var2", "var3" );
my @array;
for my $rapport ( @input ) {
push @array, { key => $rapport };
}
print Dumper( \@array );
exit;
produces ...
$VAR1 = [
{
'key' => 'var1'
},
{
'key' => 'var2'
},
{
'key' => 'var3'
}
];
But the following...
#!/usr/bin/perl
use Data::Dumper;
my @input = [ "var1", "var2", "var3" ]; # sometimes people forget to dereference their variables
my @array;
for my $rapport ( @input ) {
push @array, { key => $rapport };
}
print Dumper( \@array );
exit;
shows...
$VAR1 = [
{
'key' => [
'var1',
'var2',
'var3'
]
}
];
As you can see both examples loop through an array but the second one is an array, that was initialized with a reference value. Since in Catalyst you normally ship various values through your application via stash or similar constructs, you could check weather your array really contains scalar values : )