I believe that 5.004 introduced it.

In older Perl's I write like this: 

foreach (@array) {
  my $var = $_;
  # ...
}

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which keeps the loop variable private. (At the cost of opening yourself up to wiping out your array if you call something that walks over $_ unexpectedly.)

In reply to Re (tilly) 2: Simple question about foreach and my. by tilly
in thread Simple question about foreach and my. by Xxaxx

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