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<?php $a = [1,2,3,4,5]; function array_rotate(&$array, $step = 1) { $length = count($array); end($array); while ($step--) prev($array); while ($length--) { next($array); if (key($array) === null) reset($array); yield current($array); } } print_r(iterator_to_array(array_rotate($a, 2)));
Output for 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.31, 8.2.0 - 8.2.27, 8.3.0 - 8.3.15, 8.4.1 - 8.4.2
Array ( [0] => 4 [1] => 5 [2] => 1 [3] => 2 [4] => 3 )
preferences:
92.19 ms | 407 KiB | 5 Q