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Online Sandbox for SQL and PHP: Write, Run, Test, and Share SQL Queries and PHP Code
<?php
$arr = [
'15488' => Array
(
'25239' => Array
(
'ID' => 25239,
'IBLOCK_ID' => 35,
'PARENT_ID' => 15488
)
),
'15489' => Array
(
'25240' => Array
(
'ID' => 25240,
'IBLOCK_ID' => 35,
'PARENT_ID' => 15489
)
),
'15490' => Array
(
'25241' => Array
(
'ID' => 25241,
'IBLOCK_ID' => 35,
'PARENT_ID' => 15490
)
),
'15492' => Array
(
'25242' => Array
(
'ID' => 25242,
'IBLOCK_ID' => 35,
'PARENT_ID' => 15492
)
),
];
$res = array_reduce(
$arr,
function($acc, $el) {
$acc[] = current($el);
return $acc;
},
[]
);
print_r($res);