Is this a joke BUU?
Lets have a look at the code:
my(@array1, @array2) = @_;
So this line will magically split @_ into two parts, the first part will go into @array1 and contain the whole contents of @_, @array2 will be empty.
foreach my $element (@array2){
@array1 = (@array1, $element);
}#foreach
Good thing this loop never executes as its a pretty inefficient way to add elements to an array. Perhaps the author has never heard of push.
So this entire subroutine could be replaced by:
sub array_merge{ @_ };
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