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<?php $a = [1,2]; $limit = 5; $limit = max($limit, count($a)); foreach ($a as $position => $value) { echo $value,"\n"; $beginning = 0; for($i = 1; $i < $limit; $i++) { $ahead = $a[$position + $i] ?? $a[$beginning++] ?? null; if ($ahead && $ahead != $value) { echo " ", $ahead,"\n"; } } }
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