Online PHP editor | refs for 8X61L

<?php $arr1 = Array ( 0 => Array ( "num" => 1, "name" => "name 1", "epg_channel_id" => "ch111", "added" => "1505435915", ), 1 => Array ( "num" => 2, "name" => "name 2", "epg_channel_id" => "ch222", "added" => "1505435915", ), 2 => Array ( "num" => 3, "name" => "name 3", "epg_channel_id" => "ch333", "added" => "1505435915", ), 3 => Array ( "num" => 4, "name" => "name 4", "epg_channel_id" => "ch444", "added" => "1505435915", ), ); $arr2 = Array ( 0 => Array ( "ch000" => "Um9jayBJbiBSaW8=" ), 1 => Array ( "ch111" => "Um9jayBJbiBSaW8=" ), 2 => Array ( "ch222" => "Um9jayBJbiBSaW8=" ), 3 => Array ( "ch333" => "Um9jayBJbiBSaW8=" ), 4 => Array ( "ch444" => "Um9jayBJbiBSaW8=" ), ); $new_array = array(); foreach($arr1 as $key=>$value) { foreach($arr2 as $key1=>$value1) { foreach($value1 as $key2=>$value2) { if($key2 == $value['epg_channel_id']) { $value[$key2]=$value2; } } } $new_array[$key]=$value; } print_r($new_array);