>perl -wMstrict -le
"my @array = qw(one two three);
 for my $loopvariable (@array) {
   print $loopvariable;
   }
"
one
two
three

>perl -wMstrict -le
"my @array = qw(one two three);
 for (@array) {
   print $array;
   }
"
Global symbol "$array" requires explicit package name at -e line 1.
Execution of -e aborted due to compilation errors.