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<?php function array_group(array $arr1, callable $compare): array { $groups = []; $group = []; $prev = NULL; foreach ($arr1 as $value) { if ($group && !$compare($prev, $value)) { $groups[] = $group; $group = []; } $group[] = $value; $prev = $value; } if ($group) { $groups[] = $group; } return $groups; } $arr1 = array(1,2,2,3,1,2,0,4,5,2); $compare = fn ($a, $b) => $a <= $b; print_r(array_group($arr1, $compare));
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Array ( [0] => Array ( [0] => 1 [1] => 2 [2] => 2 [3] => 3 ) [1] => Array ( [0] => 1 [1] => 2 ) [2] => Array ( [0] => 0 [1] => 4 [2] => 5 ) [3] => Array ( [0] => 2 ) )
preferences:
77.01 ms | 1171 KiB | 4 Q