Online PHP editor | refs for gcs2R

<?php $firstArray = [ "1" => [ "MemberList" => [ "0" => 100, "1" => "5d6", "2" => "5d7", ], ], "3" => [ "MemberList" => [ "0" => "5d8", "1" => 200, ], ], ]; $secondArray = [ 0 => 100, 1 => 200, ]; function custom($firstArray, $secondArray) { foreach ($firstArray as $key => $value) { if (is_array($value)) { $firstArray[$key] = custom($value, $secondArray); }else{ if(in_array($value,$secondArray)){ unset($firstArray[$key]); } } } return $firstArray; } $new = custom($firstArray, $secondArray); print_r($new);