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<?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);
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.13
array ( 0 => 7, 1 => 6, 2 => 5, 3 => 4, 4 => 3, 5 => 2, 6 => 1, )
preferences:
115.76 ms | 407 KiB | 5 Q