<?php function recursiveArrayReverse($a) { $size = count($a); if ($size < 2) { return $a; } return array_merge( [$a[$size - 1]], recursiveArrayReverse( array_slice($a, 1, -1) ), [$a[0]] ); } $array = [1, 2, 3, 4, 5, 6, 7]; $array = recursiveArrayReverse($array); var_export($array);
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