<?php
$data = [
[
'rates' => [1, 2],
'origin' => 1,
],
[
'rates' => [3, 4],
'origin' => 2,
],
[
'rates' => [5],
'origin' => 3,
],
];
// нужно получить все возможные комбинации, как показано ниже
$expected1 = [
[
[
'rate' => 1,
'origin' => 1,
],
[
'rate' => 3,
'origin' => 2,
],
[
'rate' => 5,
'origin' => 3,
],
],
[
[
'rate' => 1,
'origin' => 1,
],
[
'rate' => 4,
'origin' => 2,
],
[
'rate' => 5,
'origin' => 3,
],
],
[
[
'rate' => 2,
'origin' => 1,
],
[
'rate' => 3,
'origin' => 2,
],
[
'rate' => 5,
'origin' => 3,
],
],
[
[
'rate' => 2,
'origin' => 1,
],
[
'rate' => 4,
'origin' => 2,
],
[
'rate' => 5,
'origin' => 3,
],
],
];
$expected = [];
$iteratorCount = 0;
foreach ($data as $key => $block) {
$data[$key]['iterator'] = 0;
$iteratorCount++;
}
$tempCounter = 0;
while ($tempCounter < $iteratorCount) {
$temp = [];
$tempCounter = 0;
foreach ($data as $key => $block) {
$temp[] = ['rate' => $block['rates'][$block['iterator']],'origin' => $block['origin']];
}
$expected[] = $temp;
foreach ($data as $key => $block) {
if ($block['iterator'] + 1 < count($block['rates'])) {
$data[$key]['iterator']++;
break;
} else {
$data[$key]['iterator'] = 0;
$tempCounter++;
}
}
}
print_r($expected);
preferences:
59.54 ms | 402 KiB | 5 Q