To be precise: eval doesn't violate strict 'refs' and strict 'vars' is easily calmed with my declarations ( though the OP never used strict )...

> perl
use strict;
use warnings;

my @a;
$a[3] = "Hello";
my $b = 'a';
my $c = '[3]';
my $d = eval "\$$b$c";
print "$d\n";
__END__
Hello
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