3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr[] = ["_source" => ["block" => ["Kurud"], "district" => ["Dhamtari"], "state" => ["Chhattisgarh"]]]; $arr[] = ["_source" => ["block" => ["North-Bangeluru"], "district" => ["Bangalore"], "state" => ["Karnataka"]]]; $keys = array_keys($arr[0]["_source"]); $res[] = $keys; foreach($arr as $e) { $temp = []; foreach($keys as $k) $temp[] = $e["_source"][$k][0]; $res[] = $temp; } print_r($res);
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.31, 8.2.0 - 8.2.27, 8.3.0 - 8.3.16, 8.4.1 - 8.4.3
Array ( [0] => Array ( [0] => block [1] => district [2] => state ) [1] => Array ( [0] => Kurud [1] => Dhamtari [2] => Chhattisgarh ) [2] => Array ( [0] => North-Bangeluru [1] => Bangalore [2] => Karnataka ) )
preferences:
118.89 ms | 408 KiB | 5 Q