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<?php $n = 8; $series = range(1, $n); $odd = array_filter($series, function($value) { return $value & 1; }); $even = array_filter($series, function($value) { return !($value & 1); }); // var_dump($odd, $even); echo "Odd values: \n"; foreach ($odd as $v) { echo $v."\n"; } echo "Even values: \n"; foreach ($even as $v) { echo $v."\n"; }
Output for 7.1.25 - 7.1.33, 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 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
Odd values: 1 3 5 7 Even values: 2 4 6 8

preferences:
130.58 ms | 403 KiB | 185 Q