Yes. See the "Foreach Loops" section of "perlsyn - Perl syntax":

"If any part of LIST is an array, foreach will get very confused if you add or remove elements within the loop body, for example with splice. So don't do that."

-- Ken

In reply to Re^2: Different result for 'foreach' vs 'while shift' arrayref by kcott
in thread Different result for 'foreach' vs 'while shift' arrayref by gvandeweyer

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