<?php
$a = [
'a' => [
'a1' => 'a1',
'a2' => 'a2',
'a3' => 'a3',
],
'b' => [
'b1' => 'b1',
'b2' => 'b2',
'b3' => 'b3',
],
];
$it = new RecursiveArrayIterator($a, RecursiveArrayIterator::CHILD_ARRAYS_ONLY);
$b = [];
foreach ($it as $key => $value) {
$b[$key] = $value;
}
var_dump($b);
- Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 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 - 8.2.18, 8.3.0 - 8.3.6
- array(2) {
["a"]=>
array(3) {
["a1"]=>
string(2) "a1"
["a2"]=>
string(2) "a2"
["a3"]=>
string(2) "a3"
}
["b"]=>
array(3) {
["b1"]=>
string(2) "b1"
["b2"]=>
string(2) "b2"
["b3"]=>
string(2) "b3"
}
}
preferences:
298.65 ms | 405 KiB | 376 Q