Online PHP editor | output for AVQBH

<?php $C = ['B' => ['S' => ['C' => []], 'H' => ['D' => []], 'G' => ['L' => []]]]; function moveArrayElementOnTop($array, $element = 'H') { $finalArray = array(); foreach ($array as $key => $values) { foreach ($values as $k => $v) { if ($k == $element) { $temp[$key][$k] = $v; unset($array[$key][$k]); } } if (isset($temp[$key])) { $finalArray[$key] = $temp[$key] + $array[$key]; } else { $finalArray[$key] = $array[$key]; } } return $finalArray; } echo "<pre>"; print_r(moveArrayElementOnTop($C)); echo "</pre>";