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<?php $array = [1, 6, 2]; array_unshift($array, array_pop($array)); print_r($array); $array = [1, 6, 2]; $tmp = array_splice($array, 2, 1); array_unshift($array, $tmp[0]); print_r($array);

preferences:
35.31 ms | 402 KiB | 5 Q